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276 Cards in this Set

  • Front
  • Back

Addison;s Disease

Autoimmunedisease - low plasma levels of Cortisol

Adrenal Cortex

Produces cortisol, aldosterone, and sex hormones

Adrenal Glands

Secrete two catecholamines - epinephrine and norepinephrine - support a successful aging process - located on top of the kidney- also called surarenal glands - divided into the cortex and medulla

Adrenal Medulla

Produces epinephrine and norepinephrine

Adrenocortiotropic Hormone

Stimulates the growth and development of the adrenal cortex; stimulates the adrenal cortex to produce steroid hormones

Afferent vessels

Tiny lymph vessels that bring lymph into the lymph node.

Aldosterone

Hormone reduces the excretion of sodium in the urine by stimulating reabsorption from the kidney tubules into the blood - Aldosterone and ADH function to conserve body water - regulates blood pressure.

Allergen

An antigen that induces allergic reaction

Androgens

Male sex hormones

Anterior Pituitary

Produces growth hormone, thyroid-stimulating hormone, adrenocorticotrophic hormone, prolactin, follicle stimulating hormone, and lueinizing hormone

Antibodies

Immunoglobulins,produced by B lymphocytes in response to a particular. Antigen, that circulate in the blood and attack the antigen.

Antidiuretic Hormone

Increases water reabsorption in the kidneys to decrease urine formation; also called vasopression

Antigen

Substance that causes the body to produce antibodies

Antibody

Specific protein that destroys or suppresses antigens

Apocrine

The type of sweat gland that discharges a thicker and more odoriferous form of sweat

B cell or beta cells

Insulin is secreted by the beta or B cells of the pancreas

B Lymphocytes

Are thought to mature in the liver, bone marrow, or spleen.

Calcitonin

Lowers blood calcium levels by inhibiting release of calcium from bone tissue

Cells

Each hasreceptors on the membrane, cytoplasm, or nucleus that recognize and respond exclusively to specific hormones. 2000-10000 receptors

Cortisol

Glucocorticoid also known as hydrocortisone. Prepares the body to deal with stress- secreted by the adrenal cortex in response to stress

Edema

Accumulation of abnormal amounts of fluid in tissue spaces. The accumulation of excess watery. Fluid in cells or intercellular tissues.

Calcitonin

Lowers blood calcium levels by inhibiting release of calcium from bone tissue

Cells

Each hasreceptors on the membrane, cytoplasm, or nucleus that recognize and respond exclusively to specific hormones. 2000-10000 receptors

Cortisol

Glucocorticoid also known as hydrocortisone. Prepares the body to deal with stress- secreted by the adrenal cortex in response to stress

Edema

Accumulation of abnormal amounts of fluid in tissue spaces. The accumulation of excess watery. Fluid in cells or intercellular tissues.

Endocrine

Ductless gland that secretes hormones directly into the blood stream

Endocrine Glands

Secrete chemicals into the interstitial fluid around them. Most of theses secretions are controlled by a negative feedback mechanism.

Endocrine System

Hypothalamus, Thyroid, and Andreas are examples of organs associated with this system. Regulated in part by the nervous system. Acts slowly and helps to sustain a response

Endorphins

PeptideHormones that work like morphine to suppress pain

Entrainment

Synchronizationphenomenon, tending to guide the body rhythms with its own rhythm

Epinephrine

Produces sympathetic response

Erythropoietin

Kidney hormone- stimulates the production of red blood cells by the red bone marrow.

Estrogen

Causes feminization

Exocrine Galnd

Secrets substances through ducts directly into specific areas - secrete into ducts connected to body cavities, organ lumens, or outside the body.

External Nonspecific immunity

The mucous membranes of the respiratory, gastrointestinal, urinary, and reproductive tracts

Flow of Lymph

Left lymphatic duct drains the entire left side and lower right side of the body

Entrainment

Synchronizationphenomenon, tending to guide the body rhythms with its own rhythm

Epinephrine

Produces sympathetic response

Erythropoietin

Kidney hormone- stimulates the production of red blood cells by the red bone marrow.

Estrogen

Causes feminization

Exocrine Galnd

Secrets substances through ducts directly into specific areas - secrete into ducts connected to body cavities, organ lumens, or outside the body.

External Nonspecific immunity

The mucous membranes of the respiratory, gastrointestinal, urinary, and reproductive tracts

Flow of Lymph

Left lymphatic duct drains the entire left side and lower right side of the body

Follicle-Stimulation Hormone

Stimulates development of the follicle (structure. In the ovaries that produces the egg). In Male-- sperm production.

Entrainment

Synchronizationphenomenon, tending to guide the body rhythms with its own rhythm

Epinephrine

Produces sympathetic response

Erythropoietin

Kidney hormone- stimulates the production of red blood cells by the red bone marrow.

Estrogen

Causes feminization

Exocrine Galnd

Secrets substances through ducts directly into specific areas - secrete into ducts connected to body cavities, organ lumens, or outside the body.

External Nonspecific immunity

The mucous membranes of the respiratory, gastrointestinal, urinary, and reproductive tracts

Flow of Lymph

Left lymphatic duct drains the entire left side and lower right side of the body

Follicle-Stimulation Hormone

Stimulates development of the follicle (structure. In the ovaries that produces the egg). In Male-- sperm production.

Gastrin

Secreted by the stomach when peptides and amino acids are present in the partly digested food.

Glucagon

Produced by alpha cells cells to increase blood sugar levels

Entrainment

Synchronizationphenomenon, tending to guide the body rhythms with its own rhythm

Glucose

Primary stimulus for insulin secretion is an increase in blood glucose levels - Type of sugar body uses for energy

Epinephrine

Produces sympathetic response

Erythropoietin

Kidney hormone- stimulates the production of red blood cells by the red bone marrow.

Estrogen

Causes feminization

Exocrine Galnd

Secrets substances through ducts directly into specific areas - secrete into ducts connected to body cavities, organ lumens, or outside the body.

External Nonspecific immunity

The mucous membranes of the respiratory, gastrointestinal, urinary, and reproductive tracts

Flow of Lymph

Left lymphatic duct drains the entire left side and lower right side of the body

Follicle-Stimulation Hormone

Stimulates development of the follicle (structure. In the ovaries that produces the egg). In Male-- sperm production.

Gastrin

Secreted by the stomach when peptides and amino acids are present in the partly digested food.

Glucagon

Produced by alpha cells cells to increase blood sugar levels

Entrainment

Synchronizationphenomenon, tending to guide the body rhythms with its own rhythm

Glucose

Primary stimulus for insulin secretion is an increase in blood glucose levels - Type of sugar body uses for energy

Gonad

Glands. That produce sex cells and sex hormones

Epinephrine

Produces sympathetic response

Erythropoietin

Kidney hormone- stimulates the production of red blood cells by the red bone marrow.

Estrogen

Causes feminization

Exocrine Galnd

Secrets substances through ducts directly into specific areas - secrete into ducts connected to body cavities, organ lumens, or outside the body.

External Nonspecific immunity

The mucous membranes of the respiratory, gastrointestinal, urinary, and reproductive tracts

Flow of Lymph

Left lymphatic duct drains the entire left side and lower right side of the body

Follicle-Stimulation Hormone

Stimulates development of the follicle (structure. In the ovaries that produces the egg). In Male-- sperm production.

Gastrin

Secreted by the stomach when peptides and amino acids are present in the partly digested food.

Glucagon

Produced by alpha cells cells to increase blood sugar levels

Entrainment

Synchronizationphenomenon, tending to guide the body rhythms with its own rhythm

Glucose

Primary stimulus for insulin secretion is an increase in blood glucose levels - Type of sugar body uses for energy

Gonad

Glands. That produce sex cells and sex hormones

Growth Hormone

Secreted from anterior pituitary - controls the growth of bone and soft. Tissue; increases glycogen synthesis and fat metabolism

Half-life

The amount of time required for half of a hormone to be eliminated from the bloodstream

Epinephrine

Produces sympathetic response

Erythropoietin

Kidney hormone- stimulates the production of red blood cells by the red bone marrow.

Estrogen

Causes feminization

Exocrine Galnd

Secrets substances through ducts directly into specific areas - secrete into ducts connected to body cavities, organ lumens, or outside the body.

External Nonspecific immunity

The mucous membranes of the respiratory, gastrointestinal, urinary, and reproductive tracts

Flow of Lymph

Left lymphatic duct drains the entire left side and lower right side of the body

Follicle-Stimulation Hormone

Stimulates development of the follicle (structure. In the ovaries that produces the egg). In Male-- sperm production.

Gastrin

Secreted by the stomach when peptides and amino acids are present in the partly digested food.

Glucagon

Produced by alpha cells cells to increase blood sugar levels

Entrainment

Synchronizationphenomenon, tending to guide the body rhythms with its own rhythm

Glucose

Primary stimulus for insulin secretion is an increase in blood glucose levels - Type of sugar body uses for energy

Gonad

Glands. That produce sex cells and sex hormones

Growth Hormone

Secreted from anterior pituitary - controls the growth of bone and soft. Tissue; increases glycogen synthesis and fat metabolism

Half-life

The amount of time required for half of a hormone to be eliminated from the bloodstream

Healthy Balance

25% sympathetic activities, 25%parasympathetic, and 50% of a combination of both.

Helper/inducer T cells

Type of T cells help activate the B cells to produce antibodies

Hormones

Exert their effects on target organs and cells - chemical messengers released by one tissue into the bloodstream to have an effect on other tissue in the body - circulating and local

Epinephrine

Produces sympathetic response

Erythropoietin

Kidney hormone- stimulates the production of red blood cells by the red bone marrow.

Estrogen

Causes feminization

Exocrine Galnd

Secrets substances through ducts directly into specific areas - secrete into ducts connected to body cavities, organ lumens, or outside the body.

External Nonspecific immunity

The mucous membranes of the respiratory, gastrointestinal, urinary, and reproductive tracts

Flow of Lymph

Left lymphatic duct drains the entire left side and lower right side of the body

Follicle-Stimulation Hormone

Stimulates development of the follicle (structure. In the ovaries that produces the egg). In Male-- sperm production.

Gastrin

Secreted by the stomach when peptides and amino acids are present in the partly digested food.

Glucagon

Produced by alpha cells cells to increase blood sugar levels

Human. Chorionic Gonadotropin

Placenta Hormone

HumoralImmunity

Type of immunity involves the recognition of specific antigens and the production of antibodies

Hyperactive Immune Respone

Client may be prone to allergy; therefore, be cautious of products used as lubricants

Hypersecretion

Excessive release of a hormone - causes include autoimmunity and failure of the feedback. Mechanism of secretion - Autoimmunity and failure of the. Feedback mechanism of secretion is a cause of hypersecretion

Hyperthyroidism

Is an overactive thyroid; most commonly caused by autoimmune dysfunction

Hyposecretion

Insufficient release of a hormone

Hypothalamus

Links the body-mind and nerve-endocrine functions -- controls secretion of pituitary hormones

Immunitty

The ability of the body to resist infection and disease by activation of specific defense mechanisms - term for resistance to disease provided by the body

Innate Immunity

Immunity is genetically determined

Immunodeficiences

Diseases that result from a defective mechanism in the immune system

Inflammatory Respone

Sequence of events that involves chemical and cellular activation that destroys pathogens and aids in repairing tissues.

Immunity

Resistance to disease provided by the body

Inquinal Nodes

Located in the lower extremity

Insulin

Decreases blood glucose levels - increases the storage of glucose, fatty acids, and amino acids

Key to immunity

Ability to distinguish self and nonself

Kidneys

Secrete calcitriol, erythropoietin, and renin.

Lactation

Hormones necessary this are Prolactin and oxytocin

Leukocytes

White blood cells that protect the body from pathogens and remove dead cells and substances

Luteinizing Hormone

Acts with the follicle stimulating hormone to develop follicle, promotes ovulation, stimulates secretion of testosterone.

Lymph

The clear interstitial tissue fluid that bathes the cells, returns plasma proteins that have leaked out through capillary walls and transports fats from the gastrointestinal system to the bloodstream. The excess fluid from the interstitial space that flows through the lymphatic vessels. Fluid that drains from cells before it is returned to the blood.

Lymph Capillaries

Highly permeable and allow large particles to easily enter the vessel.

Lymphedema

Edema that is caused by a low output of the lymphatic system

Lymph Nodes

Small round structures distributed along the network of lymph vessels that provide a filtering system for removing waste products - prevent bacteria and viruses from entering the bloodstream- Are small organs that filter large particles and remove foreign substances before the lymph empties into the veins.

Lymph Capillaries

Highly permeable and allow large particles to easily enter the vessel.

Lymphedema

Edema that is caused by a low output of the lymphatic system

Lymph Nodes

Small round structures distributed along the network of lymph vessels that provide a filtering system for removing waste products - prevent bacteria and viruses from entering the bloodstream- Are small organs that filter large particles and remove foreign substances before the lymph empties into the veins.

Lymphocytes

Not only recognized foreign agents in the interstitial fluid but also remember the ones they have encountered - part of specific immunity. A type of white blood cell or Leukocyte. Part of specific immunity. 30% of white blood cells in the body. Produce antibodies and chemicals that are active in regulating disease and allergic reaction.

Lymph Capillaries

Highly permeable and allow large particles to easily enter the vessel.

Lymphedema

Edema that is caused by a low output of the lymphatic system

Lymph Nodes

Small round structures distributed along the network of lymph vessels that provide a filtering system for removing waste products - prevent bacteria and viruses from entering the bloodstream- Are small organs that filter large particles and remove foreign substances before the lymph empties into the veins.

Lymphocytes

Not only recognized foreign agents in the interstitial fluid but also remember the ones they have encountered - part of specific immunity. A type of white blood cell or Leukocyte. Part of specific immunity. 30% of white blood cells in the body. Produce antibodies and chemicals that are active in regulating disease and allergic reaction.

Lymphatic Drainage

Does not take much pressure to move lymph fluid

Lymphatic vessels

The vessels that drain excess fluid from tissues into the bloodstream

Lymphatic System

Moves fluid toward the neck using one-way valves within the lymph vessels that help direct fluid, passive and active movements of skeletal muscles and changes in posture

Massage

By relieving stress, this may boost the various. Functions of the immune system

Melatonin

Regulates sleep-wake cycles of the body.

Negative feedback system

Control mechanism that brings about the opposite effect of stimulus. Endocrine functions are usually regulated

Non-Specific immunity

Fever and an inflammatory response, release of proteins such as interferon, acidity of skin and mucus. Fever is a type of internal nonspecific immunity

Norepinephrine

Produces sympathetic response - slightly less intense than ephinephrine

Opportunistic

When normal human. Defenses are so weak disease occurs from organisms that would not usually be a problem

Ovaries

Produce estrogen and progesterone

Opportunistic Infection

When normal human defenses are so weak disease occur form organisms that would not usually be a problem

Oxytocin

Primary targets of the hormone oxytocin are the uterus and breasts

Pancrease

A long gland inferior to the stomach; contains the alpha, beta, and delta pancreatic islet cells, which produce hormones

Pancreatic Islets

Hormones include Insulin, Glucagons, and somatostatin

Parathormone

Plays an important. Role in calcium metabolism. - made in Thyroid gland

Parathyroid Glands

The four tiny parathyroid glands are embedded in the posterior aspect of the thyroid gland.

Parathyroid Hormone

Promotes calcium mobilization from bone tissue and calcium absorption from the intestines

Passive Immunity

Immunity acquired by a fetus from his or her mother or by receiving a serum

Pathogens

Parasites, bacteria, fungi, microorganisms capable of producing disease - can spread through environmental contact, opportunistic invasion and person to person contact.

Pineal Gland

Involved with regulating body rhythm patterns - secretes melatonin, which keeps internal events in the body synchronized with the light-dark cycle of the environment - small gland found in the midbrain of the brainstem.

Pituitary

Anterior lobe secrets six major hormones - small, oval gland that lies in a bony recess in the sphenoid bone at the base of the skull. Main source of trophies hormones often called master gland

Placenta

Organ responsible for regulating gas, nutrients, waste and hormonal exchange between mother and fetus.

Posterior Pituitary

Houses antidiuretic hormone and oxytocin

Progesterone

Maintains pregnancy hormone

Prolactin

Hormone is needed for milk production

Prostaglandins

Tissue hormones that function to work in the vicinity of or on the exact organs where they are found

Renin

Kidney hormone that stimulates an increase in water retention by the body

Pineal Gland

Involved with regulating body rhythm patterns - secretes melatonin, which keeps internal events in the body synchronized with the light-dark cycle of the environment - small gland found in the midbrain of the brainstem.

Six Hormones

Regulate sexual development and sex drive.

Spleen

Largest mass of lymphoid tissue in the body.

Pituitary

Anterior lobe secrets six major hormones - small, oval gland that lies in a bony recess in the sphenoid bone at the base of the skull. Main source of trophies hormones often called master gland

Placenta

Organ responsible for regulating gas, nutrients, waste and hormonal exchange between mother and fetus.

Posterior Pituitary

Houses antidiuretic hormone and oxytocin

Progesterone

Maintains pregnancy hormone

Prolactin

Hormone is needed for milk production

Prostaglandins

Tissue hormones that function to work in the vicinity of or on the exact organs where they are found

Renin

Kidney hormone that stimulates an increase in water retention by the body

Rheumatoid Arthritis

An auto immune disorder, in which the immune system mistakenly targets normal body cells and tissues

Right Lymphatic Duct

Collects lymph from the right side of the body superior to the diaphragm.

Stomach

Secretes hormones that stimulate the gallbladder and pancreas, promote digestion, and inform the brain when you have eaten enough

Stress Response

First phase of the stress response is known as the alarm phase(fight or flight response) the second is the resistance phase and the third is the exhaustion phase.

Stressors

The events and/or environmental agents that produce a stress response

Stress

Any condition that threatens homeostasis

Stress

Any condition that threatens homeostasis

T Lymphocytes

The Lymphocytes that mature in the thymus

Target Cells

Cells that have receptors for a particular hormone - Hormones exert their effects on.

Testes

Produce testosterone

Testes

Produce testosterone

Testosterone

Causes masculinization

Testes

Produce testosterone

Testosterone

Causes masculinization

Thoracic Duct

Runs parallel to the vertebral column and that drains the left side of the body

Testes

Produce testosterone

Testosterone

Causes masculinization

Thoracic Duct

Runs parallel to the vertebral column and that drains the left side of the body

Thymosin

Stimulates the T cell

Testes

Produce testosterone

Testosterone

Causes masculinization

Thoracic Duct

Runs parallel to the vertebral column and that drains the left side of the body

Thymosin

Stimulates the T cell

Thymus Gland

Programs a colony of lymphocytes to become T cells, the flat long structure located in the mediastinum that is the first organ to begin the manufacture of lymphocytes. After puberty, the thymus slowly decreases in size. Located posterior to the sternum and is important for immunity, contains lymphocytes in various stages of development.

Testes

Produce testosterone

Testosterone

Causes masculinization

Thoracic Duct

Runs parallel to the vertebral column and that drains the left side of the body

Thymosin

Stimulates the T cell

Thymus Gland

Programs a colony of lymphocytes to become T cells, the flat long structure located in the mediastinum that is the first organ to begin the manufacture of lymphocytes. After puberty, the thymus slowly decreases in size. Located posterior to the sternum and is important for immunity, contains lymphocytes in various stages of development.

Thyroid Gland

Snow tie-shaped gland in the neck just below the larynx.

Testes

Produce testosterone

Testosterone

Causes masculinization

Thoracic Duct

Runs parallel to the vertebral column and that drains the left side of the body

Thymosin

Stimulates the T cell

Thymus Gland

Programs a colony of lymphocytes to become T cells, the flat long structure located in the mediastinum that is the first organ to begin the manufacture of lymphocytes. After puberty, the thymus slowly decreases in size. Located posterior to the sternum and is important for immunity, contains lymphocytes in various stages of development.

Thyroid Gland

Snow tie-shaped gland in the neck just below the larynx.

Thyroid-stimulating hormone

Stimulates the thyroid gland to produce thyroid hormones for the regulation of metabolism

Testes

Produce testosterone

Testosterone

Causes masculinization

Thoracic Duct

Runs parallel to the vertebral column and that drains the left side of the body

Thymosin

Stimulates the T cell

Thymus Gland

Programs a colony of lymphocytes to become T cells, the flat long structure located in the mediastinum that is the first organ to begin the manufacture of lymphocytes. After puberty, the thymus slowly decreases in size. Located posterior to the sternum and is important for immunity, contains lymphocytes in various stages of development.

Thyroid Gland

Snow tie-shaped gland in the neck just below the larynx.

Thyroid-stimulating hormone

Stimulates the thyroid gland to produce thyroid hormones for the regulation of metabolism

Thyroxine

T4 increases the metabolism rate of growth

Testes

Produce testosterone

Testosterone

Causes masculinization

Thoracic Duct

Runs parallel to the vertebral column and that drains the left side of the body

Thymosin

Stimulates the T cell

Thymus Gland

Programs a colony of lymphocytes to become T cells, the flat long structure located in the mediastinum that is the first organ to begin the manufacture of lymphocytes. After puberty, the thymus slowly decreases in size. Located posterior to the sternum and is important for immunity, contains lymphocytes in various stages of development.

Thyroid Gland

Snow tie-shaped gland in the neck just below the larynx.

Thyroid-stimulating hormone

Stimulates the thyroid gland to produce thyroid hormones for the regulation of metabolism

Thyroxine

T4 increases the metabolism rate of growth

Triiodothyronine

T3. A Thyroid hormone

Testes

Produce testosterone

Testosterone

Causes masculinization

Thoracic Duct

Runs parallel to the vertebral column and that drains the left side of the body

Thymosin

Stimulates the T cell

Thymus Gland

Programs a colony of lymphocytes to become T cells, the flat long structure located in the mediastinum that is the first organ to begin the manufacture of lymphocytes. After puberty, the thymus slowly decreases in size. Located posterior to the sternum and is important for immunity, contains lymphocytes in various stages of development.

Thyroid Gland

Snow tie-shaped gland in the neck just below the larynx.

Thyroid-stimulating hormone

Stimulates the thyroid gland to produce thyroid hormones for the regulation of metabolism

Thyroxine

T4 increases the metabolism rate of growth

Triiodothyronine

T3. A Thyroid hormone

Tropic

Hormones that affect other endocrine glands- main source is the pituitary

Testes

Produce testosterone

Universal Precautions

Refers to the practice, in medicine, of avoiding contact with patients bodily fluids, by means of the wearing of nonporous articles such as medical gloves, goggles, and face shields.

Testosterone

Causes masculinization

Thoracic Duct

Runs parallel to the vertebral column and that drains the left side of the body

Thymosin

Stimulates the T cell

Thymus Gland

Programs a colony of lymphocytes to become T cells, the flat long structure located in the mediastinum that is the first organ to begin the manufacture of lymphocytes. After puberty, the thymus slowly decreases in size. Located posterior to the sternum and is important for immunity, contains lymphocytes in various stages of development.

Thyroid Gland

Snow tie-shaped gland in the neck just below the larynx.

Thyroid-stimulating hormone

Stimulates the thyroid gland to produce thyroid hormones for the regulation of metabolism

Thyroxine

T4 increases the metabolism rate of growth

Triiodothyronine

T3. A Thyroid hormone

Tropic

Hormones that affect other endocrine glands- main source is the pituitary

Testes

Produce testosterone

Universal Precautions

Refers to the practice, in medicine, of avoiding contact with patients bodily fluids, by means of the wearing of nonporous articles such as medical gloves, goggles, and face shields.

Venous Sinuses

Red pulp tissue within the spleen contains dilated veins

Testosterone

Causes masculinization

Thoracic Duct

Runs parallel to the vertebral column and that drains the left side of the body

Thymosin

Stimulates the T cell

Thymus Gland

Programs a colony of lymphocytes to become T cells, the flat long structure located in the mediastinum that is the first organ to begin the manufacture of lymphocytes. After puberty, the thymus slowly decreases in size. Located posterior to the sternum and is important for immunity, contains lymphocytes in various stages of development.

Thyroid Gland

Snow tie-shaped gland in the neck just below the larynx.

Thyroid-stimulating hormone

Stimulates the thyroid gland to produce thyroid hormones for the regulation of metabolism

Thyroxine

T4 increases the metabolism rate of growth

Triiodothyronine

T3. A Thyroid hormone

Tropic

Hormones that affect other endocrine glands- main source is the pituitary

Testes

Produce testosterone

Universal Precautions

Refers to the practice, in medicine, of avoiding contact with patients bodily fluids, by means of the wearing of nonporous articles such as medical gloves, goggles, and face shields.

Venous Sinuses

Red pulp tissue within the spleen contains dilated veins

Water Soluble Hormones

Do not go through the cells but instead they join up with receptors known as plasma membrane receptors.

Testosterone

Causes masculinization

Thoracic Duct

Runs parallel to the vertebral column and that drains the left side of the body

Thymosin

Stimulates the T cell

Thymus Gland

Programs a colony of lymphocytes to become T cells, the flat long structure located in the mediastinum that is the first organ to begin the manufacture of lymphocytes. After puberty, the thymus slowly decreases in size. Located posterior to the sternum and is important for immunity, contains lymphocytes in various stages of development.

Thyroid Gland

Snow tie-shaped gland in the neck just below the larynx.

Thyroid-stimulating hormone

Stimulates the thyroid gland to produce thyroid hormones for the regulation of metabolism

Thyroxine

T4 increases the metabolism rate of growth

Triiodothyronine

T3. A Thyroid hormone

Tropic

Hormones that affect other endocrine glands- main source is the pituitary