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107 Cards in this Set

  • Front
  • Back
The anterior pituirary consists of ______ that secrete hGH. The hypothalam releases stiumulating and ______ hormones.
somatotophs
The hypothalamus releaases
The anterior pituitary gland consists of somatotrophs that produce hGH or human _____ hormone. The hypthalamusis the major integrating link between the nervous and +++++ system. The hypothalmaus provides stimulating and _______ hormones. The hypothalamus provides GRH, or growth releasing homone and GRH or growth inhibiting hormone. Both effect the anterior pituitary's production of _______ or hGH or human growth hormone.
growth
nervous
releasing
somatotropins
The anterior pituitary conists of lactropes that produce PRL or ______. The anterior pituitary is influenced by the hypothalamus production of PRH prolactin ------- hormone and PIH prolaction +++++ hormone.
Prolactin
releasing
inhibiting
Gonadotropes in the anterior pituitary synthesize FSH or ______ _____ _____ and lutenizing hormone
follicel stimulating hormone
Corticotrophs in the anterior pituitary secrete ACTH or ______ hormone. The hypothalamus releases CRH or __________ releasing hormone.
adrenocorticotropic
corticotropin
Corticotophs also secrete melanocyte stimulating hormone or _____ in the anterior pituitary. The hypothalamus releases CRH or corticotropin relaeasing hormone
MSH
The hypothalamus produces TRH or thyroid +++++ hormone. In the anterior pituitary, the thyrotropes secrete TSH or thyroid +++++ hormone. In the thyroid, T3 or triiodothroxin and T4 or ++++++ are released. The thyroid follices, composed of _______ cells, secrete T3 and T4.
Releasing
stimulating
thyroxine
Thyroid hormones regulate the rate of metabolism, growth, and development. Their secretion is controlled by the level Of ______ in the blood and TSH.
iodine
Human growth hormone hGH stimulates body growth through insulinlike growth factors IGF's . Secretion of IGF is inhibited by GHIH ir growth hormone ++++++ hormones or Somatostatin and promoted by GHRH, or growth hormone ______ hormeone. GHRH AND GHIH from the -----------
inhibiting
releasing
hypothalamus
TSH of the anterior +++++regulates thryoid gland activiites. It is stimulated by _____ or thyroid releasing hormone of the hypothalamus and suppressed by GIHI or growth hormone +++++ hormone of the hpothalamus or Somatostatin. It is stimulated by GHRH of the _____ or growth hormone releasing hormone.
pituitary
TRH
inhibitiing
hypothalamus
FSH and ____regulate the activities of the _____, ovaries, and testes. They are controlled by GnRH or ++++++ releasing hormone from the ________
LH
gonads
gonadotropin
hypothalam
PRL or _____helps intiate milk secretion. PIH, from the hypothalamus, or Prolactin +++++ hormone suppresses secretion of PRL. However, the hypothalamus PRH or Prolactin ______ hormone and the hypothalamus TRH or Thyroid +++++ hormone stimulate PRL secretion.
prolactin
inhibiitng
releasing
releasing
ACTH regulates the activiities of the adrenal cortex and is controlled by CRH ______ releasing hormone of ++++++
corticotropin
hypothalamus
Secretion of MSH is stimulated by CRH or _____ releasing hormone of +++++ and inhibited by dopamine.
corticotropin
hypothalamus
The neural connection between the hypothalamus and posterior pituitary is via the ________tract
hypthalamoohyprphiseal
Hormones made by the hypothalamus and stored in the posterior +++++ are oxytocin or OT which stimulates contraction of the _____and ejection of milk from the ++++++and ADH or antidiiretic hormone which stimulates ______ absorption by the kidneys and constriciton of the arterioles. ADH is also known as vasopressin.
pituitary
uterus
breasts
water
OT secretion is stimulated by Uterine ______and suckling during nursing. ADH secretion is controlled by osmotic pressure of the blood and ______ ______.
distention
blood volume
The thyroid gland is located inferior to the +++++
layrnx
The thyroid gland consists of thyroid follicles composed of follicular cells, which secrete the thyroid hormones T4______ and T3_______and ______ cells which secrete calcitonin.
thyroxine
triiodothronin
parafollicular
Thyroid hormones are synthesized from iodine and +++++ within thyrodglobulin TGB.
tyrosine
Thyroid hormones are transported in the blood bound to plasma proteins mostly thyroxine-binding +++++ TGB.
globulin
Thyroid hormones regulate the rate of metabolism, growth, and development. Their secretion is controlled by the level of +++++ in the blood and TSH (anterior pituitary).
iodine
Calcitonin can lower the blood level of calcium ions Ca2 and promote ______ of Ca2 into bone matrix. Secretion of Calcitonin is controlled by Ca2 level in the blood. Cacitonin comes from the ______ cells of the thyroid. An increased level of Ca in the blood takes Ca from bone and puts in the blood.
deposition
parafollicular
The thyroid gland consists of thyroid follicles composed of follicular cells, which secrete the thyroid hormones T4______ and T3_______and ______ cells which secrete calcitonin.
thyroxine
triiodothronin
parafollicular
Thyroid hormones are synthesized from iodine and +++++ within thyrodglobulin TGB.
tyrosine
Thyroid hormones are transported in the blood bound to plasma proteins mostly thyroxine-binding +++++ TGB.
globulin
Thyroid hormones regulate the rate of metabolism, growth, and development. Their secretion is controlled by the level of +++++ in the blood and TSH (anterior pituitary).
iodine
Calcitonin can lower the blood level of calcium ions Ca2 and promote ______ of Ca2 into bone matrix. Secretion of Calcitonin is controlled by Ca2 level in the blood. Cacitonin comes from the ______ cells of the thyroid. An increased level of Ca in the blood takes Ca from bone and puts in the blood.
deposition
parafollicular
The parathyroid glands are embedded on the posterior surfaces of the lateral lobes of the _____
thyroid
The parathyroids consist of principal cells and ++++ cells.
oxyphil
Parathryoid hormone PTH regulates the homeostasis of Calcium and Phosphate ions by increasing blood calcium level and decreasing+++++ level. Secretion is controlled by Ca2 levels in the blood.
phosphate
Increasing Ca and decreasing _____. Excrete out phosphate by kidney. Ca and Phosphate are sisters.
phosphate
The adrenal glands are located superior to the _____
They consist of an outer adrenal cortex and inner _____ ______
kidneys
adrenal medulla
The adrenal cortex is divided into a zona glomerulosa, azona fasculculate, and a zona reticularis.The adrenal medulla consists of ______ cells and large blood vessels.
chromaffin
Corttical secretions are mineralocorticoids, glucocorticoids, and ++++++
androgens
Mineralocorticoids, mainly ______ increase Na and H2O reabsorption and decrease _______ reabsorption. Secretion is controlled by the rennin-angiotensin pathway and K level in the blood. Na and K are sisters. Aldosterone will increase ____ retention. High K will cause _____ failure. Low K will cause _____
aldosterone
potassium
Na
renal
arrythmias
Glucocorticoids, mainly cortisol, promote ____ breakdown. Also promote glconesogenesis or glucose formation from other sources. Also liplysis. Help resist stress and ______ substances. Their secretion contolled by ACTH from anterior _____. The side effect of cortisol is _____ glucose.
anit=inflammatory
pituitary
increased
Androgens secreted by the adrenal cortex stimulate growth of axillary and ++++ hair aid the prepubertal growth spurt and contribute to libido.
pubic
Medullary secretions and _____ and NE which produce effects of similar to sympathetic responses. Fight flight or _____. Released during stress.
epinephrine
fear
Main effects of cortisol. Increases glucose and _____ bones. Moonface. Thinning of bones and get infections easily. Stroke.
brittle
Aldosterone controlled by K. Increased Na retention, but K level more important. If K increases Na retention, then Na increases BP and aldosterone _____ BP. Na and K sisters and aldosterone increases ++++ retention.
increases
sodium
Adrenal Medulla Increases HR, Increases ____, increases pulse, and increases respiration. Decreases digestion and decreases _____. Sympathetic nervous system
BP
urine
Alpha cells secrete glucagons. Beta cells secrete insulin. Delta cells secrete ______ or Growth _____ Hormone, and F cells secrete pancreatic polypeptide.
Somatostatin
Inhibiting
The pancreas is posterior and slightly inferior to the _____
stomach
The adrenal gland hormones are aldosterone, a mineralocorticoid, annd cortisol, a ++++++, and androgens.
glucocorticoid
The ovary hormones are ______, progesterone, and inhibin.
estrogen
The hypothalamus has 2 inhibiting hormones and all the rest ______. The inhibiting hormones are grwoth GIH and PIH or Prolactin.
releasing
The pancreas consists of pancreatic islets or islets of ++++++ and clusters of enzyme producing cells or _____. 4 types of cells in the endocrine portion are alpha cells, beta cells, delta cells, and ___ cells.
Langerhans or endocrine cells
acini
F
Alpha cells secrete _____. Beta cells secrete insulin. Delta cells secrete somatostatin or GIH and F cells secrete pancreatic ____
polypeptides
Glucagon increases blood ____and its secretion is stimulated by a low blood glucose level.
glucose
Insulin decreases blood glucose and its secretion is stimulated by a ____blood glucose level.
high
LH release of _____ by women or ____. LH also associated with secretion of _____ in males. Gonadotropin Releasing Hormone GnRH in _____
eggs
ovulation
testosterone
hypothalamus
FSH and LH formation of eggs or _____. FSH and LH in ovaries and testes. FSH forms ____. Estrogen increases in pregancy. When estrogen increases in pregnancy, LH and FSH _____.
follicles
sperms
decreases
When estrogen decreases in menopause, LH and FSH ______
increases
The sex hormones govern the development and maintenance of female secondary sex characteristics reproductive cycles, ++++, lactation, and normal reproductive functions.
pregnancy
The testes lie inside the scrotum and produce testosterone and ____. These sex hormones govern the development and maintenance of masculine secondary sex characterisitics and normal reproductive functions.
inhibin
The pineal gland is attached to the roof of the ____ ventricle.
third
The pineal gland consists of secretory cells called pinealocytes, _____, and scattered postganglionic sympathetic fibers.
neurologia
The pineal gland secretes melatonin which contributes to setting the body biological clock (controlled in the _____ nucleus) During sleep, plasma levels of melatonin increase tenfold and then decline to a low level again before awakening. Melatonin decreases because of the ___
suprachiasmatic
sun
The thyroid gland releases several hormones related to +++++
immunity
Thymosin, thymic humoral factor or THF, thymic factor or TF, and thymopoietin promote maturation of ++++cells.
T
GRH from hypothalamus associated with associated with +++++ or GH.
Somatotropin
PRH from hypothalamus associated with Prolactin and _____
lactotropes
2 inhibiting hypothalamus homones GIH and
PIH
Releasing hormones Hypothalamus TRH, CRH, GnRH, GRH, and ____ or prolactin releasing hormone.
PRH
GRH from hypothalamus associated with associated with +++++ or GH.
Somatotropin
GRH from hypothalamus associated with associated with +++++ or GH.
Somatotropin
Endocrine cells of Pancreas____ of Langerhans. The acini enzymes are the exocrine cells.
Islets
PRH from hypothalamus associated with Prolactin and _____
lactotropes
PRH from hypothalamus associated with Prolactin and _____
lactotropes
2 inhibiting hypothalamus homones GIH and
PIH
2 inhibiting hypothalamus homones GIH and
PIH
Releasing hormones Hypothalamus TRH, CRH, GnRH, GRH, and ____ or prolactin releasing hormone.
PRH
Releasing hormones Hypothalamus TRH, CRH, GnRH, GRH, and ____ or prolactin releasing hormone.
PRH
Endocrine cells of Pancreas____ of Langerhans. The acini enzymes are the exocrine cells.
Islets
Endocrine cells of Pancreas____ of Langerhans. The acini enzymes are the exocrine cells.
Islets
The gastorintenstinal tract synthesizes several hormones including ____, glucose-dependant insulinotropic peptide GIP, secretin, and cholecystokinin CCK.
Gastrin
The placenta produces human chorionic gonadotropin hGG, estrogens, progesterone, relaxin, and human choronic _________. This is a pregnancy test.
somatomammootropin
The kidneys release erythopoietin and calcitriol, the active form of ______
vitamen D
Type I diabetes occurrs from a deficiency of _____ from the Beta cell.
insulin
If stress is extreme or unusual, it triggers a wide=ranging set of bodily changes called the _____ adaption syndrome. The stimuli that produce the general adaption syndrom are called _____
general
stressors
The alarm reaction is initiated by nerve impulses from the ++++++ to the sympathetic division of the autonomic nervous system and adrenal ____ NE released.
hypothalamus
medulla
Alarm responses are the immediate and brief fight or flight responses that increase _____, promote ATP production, and decrease nonessential activiites.
circulation
The resistance reaction is intitiated by hormones secreted by the hypothalamus, most importantly: CRH, TRH, and ______ or Somatotropin
GRH
Second hormone of stress is _____or gluconeosis the formation of glucose.
cortisol
First hormone of stress NE and ______
epinephrine
Resistance to stress reactions are long-term and accelerate breakdown reactions to provide ___for counteracting stress.
ATP
Resistance reaction is intiated by hormones secreted by the hypothalamus, most importantly, CRH, ____, and GHRH.
TRH
Second reaction to stress. Exhaustion results from depletion of body resources during the _____ stage.
resistance
An important link between stress and immunity is interleukin-1 produced by ______; It stimulates secretion of ______
macrophages
ACTH
Endocrine Disorders ______ Inadequate Hormone Release
Hyposecretion
Endocrine Disorders
Hypersecretion- excessive ___ secretion. Tumors or autoimmune disorders.
hormone
Pituitary Disorders
Acromegaly- hypersecretion of GH. Thickening of the bones and tissues. Giantism if oversecretion. Dwarfism if ____
undersecretion
Parathyroid Disorders: Hypoparathyroid- surgical excision during thyroid surgery. Fatal tetany 3-4 days. Hyperparathyroid- ____ in gland. Causes soft, fragile and deformed ______. Increases Ca in blood. ____ Calculi.
Tumor
bones
Renal
Thyroid Gland Disorders
Congenital Hypothyroidism Infant suffers abnormal bone development. Thickened ____ features, low termperature, lethargy and brain damage.
facial
Myxedema adult hypothyroidism Low ____ rate. Sluggish, sleepy, weight gain, constipation. Dry skin and hair. Cold sensitivity. Increased ____ and tissue swelling.
metabolic
BP
Endemic goiter enlarged thyroid gland. Iodine ____
NO TH, no feedback, Increased _____ Toxic goiter= Grave's Disease. Antibodies mimic ____. Increased TH. Exophthalamos
deficiency
TSH
TSH
Cushing Syndrome is an Adrenal Disorder. Excess cortical secretion causes hyperglycemia, +++++++, weakness, and edema. Muscle and bone loss occurrs with protein +++++Buffalo hump or moon face= fat deposition between shoulders or in face. AGS or Adrenogenital Syndrome accompanies Cushings. Causes englargement of external sexual organs in children. Masculinizing effects on women=deeper voice and beard growth.
hypertension
catabolism
Adrenal Disorders Addison's Disease. Can't produce enough _____ or sometimes aldosterone. Low blood pressure, hypoglycemia, irregular or absent menstruation, and craving for salt
cortisol
Diabetes Mellitus
polyuria, polydipsia, and _____
Osmotic diuresis blood glucose levels rise above transport maximum of kidney tubules, glucose remains in urine, Osmolarity ++++ and draws water into urine.
ketonuria
increases
Diabetes Type I IDDM Ten percent Some cases have autoimmune destruction of Beta cells diagnosed about age
12
Diabetes Type II NIDDM Insulin resistance. Failure if ____ cells to respond to insulin. 3 major risk factors: Age, obesity, and _____. Medications improve insulin secretion or target cell ______
heredity
sensitivity
Pathology of Diabetes
Acute Pathology: Cells that cannot ____glucose, rely on fats and proteins. Weight loss and weakness.
absorb
Pathology of Diabetes
Fat catabolism Increase FFA's in Blood and ketose bodies. Ketonuria promotes _____ diuresis , loss of sodium and potassium. Ketoacidosis occurrs as _____ decrease blood ph. If continued, causes dyspnea and eventually diabetic +++++.
osmotic
ketones
coma
Chronic pathology Diabetes
Chronic hyperglycyemia leads to neuropathy and cardiovascular _____ from atherosclerosis. Retina and ______ common to (type 1)
Heart failure type II. and gangrene.
damage
kidneys
Hyperinsulinism
From excess insulin or pancreatic islet tumor. Causes ______, weakness, and hunger. Triggers secretion of epinephrine, GH and glucagon. Side effects: anxiety, sweating, and increased HR.
hypoglycemia
Hyperinsulism
Insulin Shock
Uncorrected hyperinsulism with disorientation _______, or unconsciousness.
convulsions