biochemical endocrinology pituitary Flashcards
(23 cards)
thyroid hormone?
calcitonin
calcitonin does what
decreases blood calcium, responds to hypercalcemia. targets osteoblasts
parathyroid hormone?
parathyroid hormone
parathyroid does what?
targets bone osteoclasts and kidney to increase blood calcium and decrease phosphorus in response to hypocalcemia
what organ regulates calcium and phosophorus?
thyroid and parathyroid
what are hormones biochemically categorized as?
protein/peptide, steroids, or catecholeamines.
adrenal cortex
steroids
adrenal medulla
catecholamines, post-ganglionic sympathetic
what organ regulates blood sugar?
pancreas
hormones of pancreas?
insulin and glucagon
insulin does what?
decreases blood glucose in response to hyperglycemia in muscle and adipose
glucagon does what?
increases blood glucose in hypoglycemia and targets liver
testosterone does what?
increases protein synthesis and muscle mass
what is insulin’s role in regulation of protein metabolism?
increases amino acid uptake by cells
anterior pituitary?
adenohypophysis
posterior pitutary?
neurohypophysis
hormones of neurohypophysis?
anti-diuretic hormone and oxytocin
hormones of adenohypophysis?
TSH, adrenal corticotrophin hormone, FSH, LH, prolactin
where is all of pituitary gland located?
sella turcia
how is adenohypohysis connected to hypothalamus?
hypophyseal portal system
how is neurohypophysis connected to hypothalamus?
infundibulum or stalk
embryology of adenohypophysis?
rathke’s pouch
embryology of neurohypophysis?
ectoderm