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15 Cards in this Set

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What is a C cell and what does it do?
Largerl, less intense stain than follicular cell

Make calcitonin, which lowers blood ca levels by inhibiting resorbtion
what are the cells of the parathyroid?
chief cells: small, poygonal, slightyl acidophilic. Secretes PT hormone granules

Oxyphil cells: fewer. Larger, polyonal. Many aidophilic mitochondria. noo known fxn
4 types of islet cells in langerhans islets
A: secretes glucagon
B- insulin
D: somatostatin
F: pancreatic polypeptide
Cushings syndrome
disorder of adrenal cortex
excessive production of glococorticoids
Addisons disease
Adrenocorticla insufficiency--too litile gluco and mineralocortocoids
what does parathyroid hormone do?
Causes osteoBLASTS to secrete an osteoCLAST inhibiting factor. This lowers CA in the blood and increases bone growth
Hyperparathyroidism
PH goes down, Ca goes up. Deposits of ca in kidneys and arteries. bone cavities
WHOAH--PH HORMONE EFFECT WRONG--real:
PH stimulates osteoclasts, RAISING the ca in blood
hypoparathyroidism:
Blood Ca goes down, bones become more dense, can cause spastic muscular convulsion
Grave's disease
hyperthyroidism

decreased nody weight, nervous, HR up
Histology of adrenal medulla
Capsule
Glomerulosa
Fasiculata
Reticulosa
fasciculata appearance
straight cords
lipid drops in cells
What makes glucocorticoids
zona fasciculata, prbable reticularis
What makes mineralocorticoids
glomerulosa
How to tell the medulla from the adrenal cortex?
Cells are a lot bigger