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42 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
anterior pituitary (AP) hormones are stimulated by?
stimulating hormones and inhibited by
inhibiting hormones
AP hormones that act on other endocrine systems are?
tropic hormones
hypothalamic homones are made by what type of cells?
neurosecretory cells
and are transported by?
hypophyseal potal system
Anterior Petuitary is also called
adenohypophisis
the pituitary gland is controlled by the?
hypothalamus
and is linked by the
infundibulum
what links the nervous and endocrine systems together?
hypothalamus
5 types of cells fond in the AP?
somatotroph
thyrotroph
gonadotroph
lactotroph
corticotroph
( So They Got Laced Corn-trophs in the AP)
somatotrophs secrete?
human growth hormone- hGH
which is?
Insulin like hormone (IGFs) that regulates metabolism
thyrotrophs secrete?
thyroid stimulating hormone-
TSH
which controls?
secretion of thyroid gland
gonadotrophs secrete?
follicle-stimulating hormone-
FSH
&
Leutinizing hormone- LH
which?
stimulates estrogen and progesterone
maturation of oocytes in ovaries and stimulates sperm production and testosterone in testes
lactotrophs secrete?
prolactin- PRL
which?
stimulates milk in mams
corticotrophs secrete?
adrenocorticotropic- ACTH
(or corticotropin) &
melanocyte-stimulating hormone
which?
ACTH stimulates adrenal cortex to secrete glucorticoids like cortisol
MSH unknown in humans
posterior pituitary (PP) is also called?
nuerohypophysis
what is the function of the PP?
to store and release hormones made by the hypothalamus.
these 2 hormones are?
oxytocin- OT
antidiuretic- ADH
what hormone affects the uterus and breasts during and after delivery, enhances smooth muscle contraction in the wall of the uterus (positive feedback) and stimulates milk ejection?
oxytocin- OT
which is produced by the hypothalamus and stored and released by the?
Posterior pituitary gland
what hormone decreases urine production by causing the kidneys to return more water to the blood?
antidiuretic- ADH
which is produced by the hypothalamus and stored and released by the?
PP
what hormone decreases water loss through sweating and constriction of aterioles which increase blood pressure?
ADH
what hormone is a major regulator of calcium, magnesium, and phosphate ions in the blood?
parathyroid hormone- PTH
which hormone increases number and activity of osteoclasts elevating bone resorption?
parathyroid hormone- PTH
blood calcium level directly controls secretion of both calcitronin and PTH via?
negative feedback system
the follicular cells of the thyroid produce what 2 hormones?
thyroxin-T4 and T3 also known as?
thyroid hormones
parafolicular cells or C cells of the thyroid produce the hormone?
calicitronin,
which helps regulate?
calcium homeostasis
parathyroid cheif cells produce?
PTH
the 2 structurally and functionally distinct regions of the adrenal glands are?
Adrenal cortex and adrenal medulla
the adrenal cortex secretes what 3 hormones?
mineralcorticoids, glucocorticoids, and androgens? These hormones do what?
mineralcorticoids affect mineral homeostasis;
glucorticoids affect glucose homeostasis;
androgens have masculating effects (DHEA only women)
the adrenal medulla secretes what 2 homones?
epinepherine and norepinepherine. it also intensifies?
sympathetic responses.
a major mineralcorticoid is?
aldosterone
the glucocorticoids which regulate metabolism and resistance to stress include?
corstisol, corticosterone, and cortisone
pancreatic islets (PI) are what types of gland?
exocrine and endocrine glands.
roughly 99% of cells produce what?
digestive enzymes
what are the cell types in the Pancreatic islets?
alpha- A cells
beta- B cells
delta- D cells
F cells
A cells secrete?
glucagon, which?
raises blood sugar
B cells secrete?
insulin, which?
lowers blood sugar
D cells secrete?
somatastotin, which?
inhibits both isulin and glucagon
F cells secrete?
pancreatic polypeptide, which?
inhibits somatostatin,
gallbladder contraction,
and secretion of pancreatic digestive enzymes
gonads produce?
gametes and hormones
ovaries produce?
2 estrogens; estradiol and estrone, and progesterone.
These female sex hormones along with FSH and LH from the AP?
regulate the menstral cycle, maintain pregnancy, prepare mams for lactation, & maintains female secondary sex characteristics
ovaries also produce inhibin which a protien hormone that inhibits?
secretion of FSH
the testes produce?
testosterone, which?
regulates sperm production and maintains male secondary sex characteristics
(inhibin inhibits FSH)
the pineal gland is an endocrine gland that is part of the?
epithalimus. the gland consists of neuralgia and secretory cells called?
pinealocytes
the pineal gland secretes?
melatonin;
an amine homone derived from serotonin that apears to contribute to?
the setting of the biological clock.
thought to produce sleepiness (more melatonin at night)
the thymus produces?
thymosin, thymic humoral factor (THF), thymic factor (TF), and thymopoietin;
all involved in?
T cell maturation
prolonged exposure to cortisol, due to stress can cause?
wasting of muscles, suppresion of immune system, ulcer, failure of pancreatic B cells (insulin)