Clin Med - Endo Flashcards
most abundant cell of ant pituitary
somatotrophs, secrete GH
hormones produced by ant pit
ACTH, FSH, GH ,LH, PRL, TSH (peptides)
FAT GLP
hormones produced by hypothalamus
GHrH, GHiH, GnRH, PiF, TRH (peptides - PiF)
hormones produced by post pit
ADH, oxytocin (peptides)
hormones produced by adrenal medulla
epi, norepi (amines)
hormones produced by adrenal cortex
cortisol, aldosterone (steroids)
pituitary adenoma
high GH, PRL, low TSH, ACTH, GnT
prolactin suppressed by
dopamine (produced by hypothalamus)
GH 3 actions
glucose for brain (can raise plasma glucose)
AA uptake by muscle
fat as main energy source
GH primarily released what time of day
night
Persistently high GH can result in what other endocrine dz
diabetes (starts w insulin resistance)
ACTH bursts MC what time of day
morning
where to glucocorticoids bind w/in the cell
GRE on DNA
low intrarenal arterial pressure and hyperkalemia trigger ___ release
aldosterone
21 hydroxylase deficiency clinical picture
virilization, low cortisol/aldosterone