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Endocrine System

Terms in this set (49)

"master endocrine gland"
anterior pituitary
controlled by the ventral hypothalamus
anterior pituitary
type of hormones produced and secrete by the anterior pituitary
tropic hormones
target organ of a tropic hormone
endocrine gland
name the 4 tropic hormones
FSH, LH, ACTH, TSH
function of FSH and LH
regulate gamete production and hormonal activity of the gonads
function of ACTH
regulates the endocrine activity of the adrenal cortex
function of TSH
influences growth and activity of the thyroid gland
name the two hormones the anterior pituitary produces that are not tropic hormones
GH, Prolactin
function of GH
general metabolic hormone
function of prolactin
stimulates milk production in breasts
ventral hypothalamus hormones reach the anterior pituitary through the ______________
hypophyseal portal system
the posterior pituitary is an endocrine gland true or false
false
what two neurohormones does the posterior pituitary store
oxytocin, ADH
function of oxytocin
stimulates powerful uterine contractions during birth, causes milk ejection
function of ADH
decrease urine, increase body water
where is the pineal gland located
3rd ventricle of the brain
what does the pineal gland produce
melatonin
what joins the two lobes of the thyroid gland together
isthmus
what two hormones does the thyroid gland produce
thyroid hormone, calcitonin
what does thyroid hormone break down into
T3, T4
what is the primary function of T3/T4
metabolism and oxidation
what is the function of calcitonin
decrease blood Ca levels
where are the parathyroid glands
posterior surface of thyroid
what do the parathyroid glands secrete
PTH
what is the most important regulator of Ca in the blood
PTH
function of PTH
increase blood Ca
name the 3 families of hormones produced by the thymus
thymulin, thymosins, thymopoietins
what are the two parts of the adrenal glands
medulla, cortex
what hormones does the adrenal medulla secrete?
Epinephrine, norepinephrine
What 3 major groups of hormones are produced by the adrenal cortex
mineralocorticoids, glucocorticoids, gonadocorticoids
Mineralocorticoids, glucocorticoids and gonadocorticoids are all steroid hormones called _________
corticosteroids
Zona glomerulosa produces
mineralcorticoids
zona fasciculata produces
glucocorticoids
zona reticularis produces
gonadocorticoids
main mineralocorticoid
aldosterone
main glucocorticoids (3)
cortisol, cortisone, corticosterone
main gonadocorticoids (2)
androgen, estrogen
function of mineralcorticoids
regulates Na reabsorption in the kidneys
function of glucocorticoids
enable body to resist long term stressors by increasing blood glucose levels
function of gonadocorticoids
sex hormones
function of TRH (thyrotropin releasing hormone peptide)
stimulate TSH release
function of Growth hormone releasing hormone
stimulate GH release
function of somatostatin peptide
inhibit GH release
function of dopamine
inhibit prolactin release
function of GnRH (gonadotropin releasing hormone)
stimulate FSH and LH release
function of corticotropin releasing hormone
stimule ACTH release
function of oxytocin
stimulate uterine contraction, milk letdown
function of vasopressin/ADH
increase the permeability of water in the kidneys
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