Unit 6 Test: Endocrine System Flashcards
Where is the CRH from?
Hypothalamus
Where is the GHRH from?
Hypothalamus
where is the TRH from?
Hypothalamus
What does GnRH do?
Stimulates anterior pituitary to release FSH (LH)
What does CRH do?
Stimulates AP to release ACTH
What does GHRH do?
Stimulates AP to release GH
What does TRH do?
Stimulates AP to release TSH
What are gonadotropins found? (LH, FSH)
Anterior pituitary
Where is ACTH found?
Anterior pituitary
Where is TSH found?
Anterior pituitary
Where is GH found?
Anterior pituitary
Where is prolactin found?
Anterior pituitary
What does LH and FSH do?
Stimulates ovaries and testes –> egg/sperm production, estrogen, progesterone
What does ACTH do?
Stimulates adrenal cortex —> aldosterone, cortisol
What does TSH do?
Stimulates thyroid –> T3 and T4
What does GH do?
Stimulates cells to increase in size and divide more frequently
What does prolactin do?
Milk production following the birth of an infant
Where is oxytocin found?
Posterior pituitary
Where is vassopressin (ADH) found?
Posterior pituitary
What does oxytocin do?
Muscle contractions in uterus, milk let-down in breasts
What does vassopressin do?
Water concentration in kidneys and body fluids
Where is GnRH from?
Hypothalamus
What is a parathormone (PTH) and what produces it?
Calcium regulating hormone; parathyroid
What is calcitonin and what produces it?
A calcium regulating hormone; thyroid
What does parathormone do?
Increases blood calcium concentration
What does calcitonin do?
Lowers blood calcium levels
What is insulin and what produces it?
Pancreatic hormones; beta cells
What is glucagon and what produces it?
Pancreatic hormone; alpha cells
What does insulin do?
Lowers blood glucose
What does glucagon do?
Raises blood glucose
Where is T3 and T4 produced?
Thyroid
What does T3 and T4 do?
Metabolism regulation
Where is cortisol produced?
Adrenal cortex
Where is aldosterone produced?
Adrenal cortex
What does cortisol do?
Protein and fat metabolism
What does aldosterone do?
Regulates concentration of sodium and potassium in kidneys
Where is epinephrine produced?
Adrenal medulla
What does epinephrine do?
“Fight or flight” responses
Where is testosterone produced?
Testes
Where is estradiol produced?
Ovaries
Where is progesterone produced?
Ovaries
What does testosterone do?
Male sex characteristics
What does estradiol do?
Female sex characteristics, menstrual cycle
What does progesterone do?
Menstrual cycle and pregnancy
