ENDOCRINE

Question 1

what are endocrine glands made of

Answer 1

cords or secretory epitheloid cells resting on basement membrane

Question 2

classes of hormone

Answer 2

• peptides
• steroids
• amino acids

Question 3

list the three types of control mechanism in hormones

Answer 3

• endocrine
  paracrine
  autocrine

Question 4

endocrine control mechanism in hormone

Answer 4

hormone secretion into the bloodstream where it is transported to its target cells

Question 5

paracrien control in hormone

Answer 5

hormone secretion into CT where they taregt adjacent cells that express specific receptors

Question 6

autocrine control in hormone

Answer 6

hormone secretion which acts on its secretory cell itself

Question 7

hormone receptors

Answer 7

cell surface receptors and intracellular receptors

Question 8

negative feedback or hormone

Answer 8

response diminises original stimulus

Question 9

positive feedback of hormone

Answer 9

response enhances original stimulus

Question 10

blood supply of pituitary gland

Answer 10

superior hypophyseal arteries
inferior hypohyseal arteries

Question 11

what does superior hypohyseal artery supply

Answer 11

pars tuberalis
median eminence
infundibulum

Question 12

what does inferior hypophyseal arteries supply

Answer 12

pars nervosa

Question 13

what does the hypothalamo-hypohyseal portal system provides link between

Answer 13

hypothalamus and pituitary gland

Question 14

list the hormones in pars distalis and their respective targetted organs

Answer 14

thytotrophs - thyroid gland
mammotrophs - mammary gland
gonadotrophs - eggs and sperm
cortiocstroph - growth
somatotrophs - growth

Question 15

what hormones are produced in neuropophysis

Answer 15

oxytocin and adh

Question 16

What do parafollicular cells secrete and thyroid glands

Answer 16

calcitonin > metabolises calcium

Question 17

what does the colloid secrete

Answer 17

thyroglobulin

Question 18

what do chief cells in parathyroid secrete

Answer 18

PTH = parathyroid hormones

Question 19

what does PTH regulate

Answer 19

calcium and phosphate levels in the blood

Question 20

cells in the adrenal medulla

Answer 20

chromaffin cells
ganglion cells
chief cells
oxyphil cells

Question 21

what hormones are secreted by the three layers of the adrenal corte

Answer 21

zona glomerulosa: aldosterone > kidney
zona fasciulate: cortisol > liver
zona reticularis > androgens > goand and skin

Question 22

adrenal gland blood supply

Answer 22

superior
middle
inferior
supraarenal arteries