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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.
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somatotophs
The hypothalamus releaases |
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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.
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growth
nervous releasing somatotropins |
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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.
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Prolactin
releasing inhibiting |
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Gonadotropes in the anterior pituitary synthesize FSH or ______ _____ _____ and lutenizing hormone
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follicel stimulating hormone
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Corticotrophs in the anterior pituitary secrete ACTH or ______ hormone. The hypothalamus releases CRH or __________ releasing hormone.
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adrenocorticotropic
corticotropin |
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Corticotophs also secrete melanocyte stimulating hormone or _____ in the anterior pituitary. The hypothalamus releases CRH or corticotropin relaeasing hormone
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MSH
|
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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.
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Releasing
stimulating thyroxine |
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Thyroid hormones regulate the rate of metabolism, growth, and development. Their secretion is controlled by the level Of ______ in the blood and TSH.
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iodine
|
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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 -----------
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inhibiting
releasing hypothalamus |
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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.
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pituitary
TRH inhibitiing hypothalamus |
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FSH and ____regulate the activities of the _____, ovaries, and testes. They are controlled by GnRH or ++++++ releasing hormone from the ________
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LH
gonads gonadotropin hypothalam |
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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.
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prolactin
inhibiitng releasing releasing |
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ACTH regulates the activiities of the adrenal cortex and is controlled by CRH ______ releasing hormone of ++++++
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corticotropin
hypothalamus |
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Secretion of MSH is stimulated by CRH or _____ releasing hormone of +++++ and inhibited by dopamine.
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corticotropin
hypothalamus |
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The neural connection between the hypothalamus and posterior pituitary is via the ________tract
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hypthalamoohyprphiseal
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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.
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pituitary
uterus breasts water |
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OT secretion is stimulated by Uterine ______and suckling during nursing. ADH secretion is controlled by osmotic pressure of the blood and ______ ______.
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distention
blood volume |
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The thyroid gland is located inferior to the +++++
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layrnx
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The thyroid gland consists of thyroid follicles composed of follicular cells, which secrete the thyroid hormones T4______ and T3_______and ______ cells which secrete calcitonin.
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thyroxine
triiodothronin parafollicular |
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Thyroid hormones are synthesized from iodine and +++++ within thyrodglobulin TGB.
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tyrosine
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Thyroid hormones are transported in the blood bound to plasma proteins mostly thyroxine-binding +++++ TGB.
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globulin
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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).
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iodine
|
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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.
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deposition
parafollicular |
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The thyroid gland consists of thyroid follicles composed of follicular cells, which secrete the thyroid hormones T4______ and T3_______and ______ cells which secrete calcitonin.
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thyroxine
triiodothronin parafollicular |
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Thyroid hormones are synthesized from iodine and +++++ within thyrodglobulin TGB.
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tyrosine
|
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Thyroid hormones are transported in the blood bound to plasma proteins mostly thyroxine-binding +++++ TGB.
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globulin
|
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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.
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deposition
parafollicular |
|
The parathyroid glands are embedded on the posterior surfaces of the lateral lobes of the _____
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thyroid
|
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The parathyroids consist of principal cells and ++++ cells.
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oxyphil
|
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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.
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phosphate
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Increasing Ca and decreasing _____. Excrete out phosphate by kidney. Ca and Phosphate are sisters.
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phosphate
|
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The adrenal glands are located superior to the _____
They consist of an outer adrenal cortex and inner _____ ______ |
kidneys
adrenal medulla |
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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.
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chromaffin
|
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Corttical secretions are mineralocorticoids, glucocorticoids, and ++++++
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androgens
|
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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 _____
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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.
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anit=inflammatory
pituitary increased |
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Androgens secreted by the adrenal cortex stimulate growth of axillary and ++++ hair aid the prepubertal growth spurt and contribute to libido.
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pubic
|
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Medullary secretions and _____ and NE which produce effects of similar to sympathetic responses. Fight flight or _____. Released during stress.
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epinephrine
fear |
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Main effects of cortisol. Increases glucose and _____ bones. Moonface. Thinning of bones and get infections easily. Stroke.
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brittle
|
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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.
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increases
sodium |
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Adrenal Medulla Increases HR, Increases ____, increases pulse, and increases respiration. Decreases digestion and decreases _____. Sympathetic nervous system
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BP
urine |
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Alpha cells secrete glucagons. Beta cells secrete insulin. Delta cells secrete ______ or Growth _____ Hormone, and F cells secrete pancreatic polypeptide.
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Somatostatin
Inhibiting |
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The pancreas is posterior and slightly inferior to the _____
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stomach
|
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The adrenal gland hormones are aldosterone, a mineralocorticoid, annd cortisol, a ++++++, and androgens.
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glucocorticoid
|
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The ovary hormones are ______, progesterone, and inhibin.
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estrogen
|
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The hypothalamus has 2 inhibiting hormones and all the rest ______. The inhibiting hormones are grwoth GIH and PIH or Prolactin.
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releasing
|
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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.
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Langerhans or endocrine cells
acini F |
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Alpha cells secrete _____. Beta cells secrete insulin. Delta cells secrete somatostatin or GIH and F cells secrete pancreatic ____
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polypeptides
|
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Glucagon increases blood ____and its secretion is stimulated by a low blood glucose level.
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glucose
|
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Insulin decreases blood glucose and its secretion is stimulated by a ____blood glucose level.
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high
|
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LH release of _____ by women or ____. LH also associated with secretion of _____ in males. Gonadotropin Releasing Hormone GnRH in _____
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eggs
ovulation testosterone hypothalamus |
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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 _____.
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follicles
sperms decreases |
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When estrogen decreases in menopause, LH and FSH ______
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increases
|
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The sex hormones govern the development and maintenance of female secondary sex characteristics reproductive cycles, ++++, lactation, and normal reproductive functions.
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pregnancy
|
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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.
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inhibin
|
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The pineal gland is attached to the roof of the ____ ventricle.
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third
|
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The pineal gland consists of secretory cells called pinealocytes, _____, and scattered postganglionic sympathetic fibers.
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neurologia
|
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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 ___
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suprachiasmatic
sun |
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The thyroid gland releases several hormones related to +++++
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immunity
|
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Thymosin, thymic humoral factor or THF, thymic factor or TF, and thymopoietin promote maturation of ++++cells.
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T
|
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GRH from hypothalamus associated with associated with +++++ or GH.
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Somatotropin
|
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PRH from hypothalamus associated with Prolactin and _____
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lactotropes
|
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2 inhibiting hypothalamus homones GIH and
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PIH
|
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Releasing hormones Hypothalamus TRH, CRH, GnRH, GRH, and ____ or prolactin releasing hormone.
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PRH
|
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GRH from hypothalamus associated with associated with +++++ or GH.
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Somatotropin
|
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GRH from hypothalamus associated with associated with +++++ or GH.
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Somatotropin
|
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Endocrine cells of Pancreas____ of Langerhans. The acini enzymes are the exocrine cells.
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Islets
|
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PRH from hypothalamus associated with Prolactin and _____
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lactotropes
|
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PRH from hypothalamus associated with Prolactin and _____
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lactotropes
|
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2 inhibiting hypothalamus homones GIH and
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PIH
|
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2 inhibiting hypothalamus homones GIH and
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PIH
|
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Releasing hormones Hypothalamus TRH, CRH, GnRH, GRH, and ____ or prolactin releasing hormone.
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PRH
|
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Releasing hormones Hypothalamus TRH, CRH, GnRH, GRH, and ____ or prolactin releasing hormone.
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PRH
|
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Endocrine cells of Pancreas____ of Langerhans. The acini enzymes are the exocrine cells.
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Islets
|
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Endocrine cells of Pancreas____ of Langerhans. The acini enzymes are the exocrine cells.
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Islets
|
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The gastorintenstinal tract synthesizes several hormones including ____, glucose-dependant insulinotropic peptide GIP, secretin, and cholecystokinin CCK.
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Gastrin
|
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The placenta produces human chorionic gonadotropin hGG, estrogens, progesterone, relaxin, and human choronic _________. This is a pregnancy test.
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somatomammootropin
|
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The kidneys release erythopoietin and calcitriol, the active form of ______
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vitamen D
|
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Type I diabetes occurrs from a deficiency of _____ from the Beta cell.
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insulin
|
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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 |
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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 |
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Alarm responses are the immediate and brief fight or flight responses that increase _____, promote ATP production, and decrease nonessential activiites.
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circulation
|
|
The resistance reaction is intitiated by hormones secreted by the hypothalamus, most importantly: CRH, TRH, and ______ or Somatotropin
|
GRH
|
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Second hormone of stress is _____or gluconeosis the formation of glucose.
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cortisol
|
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First hormone of stress NE and ______
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epinephrine
|
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Resistance to stress reactions are long-term and accelerate breakdown reactions to provide ___for counteracting stress.
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ATP
|
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Resistance reaction is intiated by hormones secreted by the hypothalamus, most importantly, CRH, ____, and GHRH.
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TRH
|
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Second reaction to stress. Exhaustion results from depletion of body resources during the _____ stage.
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resistance
|
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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 |
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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
|