Endocrine (brief)

Question 1

Pituitary hormones

Answer 1

Anterior pituitary produces 7: LH, FSH, GH, TSH, ACTH, B-endorphin, prolactin

Posterior pituitary: develops from an extension of the hypothalamus so incapable of producing hormones but stores 2; oxytocine and vasopressin (ADH/AVP)

Question 2

3 parts of the anterior pituitary

Answer 2

Pars distalis

Pars intermedia (closest to the posterior lobe/pars nervosa)

Pars tuberalis

Question 3

Thyroid location

Answer 3

Dorsaolateral surface of the trachea

Question 4

Thyroid blood supply

Answer 4

Predominantly cranial thyroid artery, a branch of the carotid

Smaller subsiduary from caudal thyroid artery

Question 5

Endocrine and exocrine functions of the pancreas

Answer 5

Endocrine - islets of langerhans. B cells produce insulin, alpha cells glucagon

Exocrine - digestive enzymes incl CCK secreted into duodenum via pancreatic duct - > major duodenal papilla with the common bile duct (some species variation)