endocrine Flashcards
does the endocrine system work on negative or positive feedback
negative
define endocrine system
the hormones that are transported via the blood stream to most cells in the body
what is the name of the gland that sits between cerebellum and brainstem
hypothalamus
what are 5 things that the hypothalamus regulates
temp, fluid vol, growth, pain/pleassure, hunger/thirst
name the 4 releasing hormones in hypothalamus
corticotropin, thyrotropin, growth hormone, gonadotropin
at is the 1 inhibiting hormone released by hypothalamus and what does it inhibit
somatostatin- inhibits GH and thyroid hormone(TSH)
where do you find the pituitary gland
beneath hypothalamus
what is the nickname for the pituitary gland
master gland
what are the two divisions of the pituitary gland
anterior pituitary gland and posterior pituitary gland
name 3 hormones released in anterior pituitary gland
growth hormone, prolactin(lactation), stimulating(tropic) hormones (TSH/LH/FSH)
2 hormones released by posterior pituitary gland
adh/oxytocin
name 3 hormones released by kidneys
1,25 dihydroxyvitamin D, Renin, Erythropoetin
name 2 hormones released by ovaries
estrogen, progesterone
name 2 hormones released by testes
androgens/testosterone
name 2 hormones released by thymus
thymosin and thymopoietin
what is the shape of the thyroid gland
butterfly shaped
where would you find thyroid gland
either side of the trachea joined by thyroid isthmus
what are the 2 function of the thyroid gland
take up iodine from blood and release thyroid hormone + calcitonin
name the 3 roles of thyroid hormone
increase metabolic rate, increases heat production and regulate metabolism
what are the roles of thyroid c cells
release calcitonin that lowers blood calcium and phosphate level
what are parathyroid glands
embedded in thyroid gland, chief cells that release parathyroid hormones that results in increasing blood calcium level
where do you find the left and right adrenal gland’s
sit above kidneys
what are the 3 structural levels of the adrenal gland
capsule, cortex, medulla
which hormone is released from zone glomerullosa in adrenal gland
aldosterone