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15 Cards in this Set
- Front
- Back
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What is a C cell and what does it do?
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Largerl, less intense stain than follicular cell
Make calcitonin, which lowers blood ca levels by inhibiting resorbtion |
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what are the cells of the parathyroid?
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chief cells: small, poygonal, slightyl acidophilic. Secretes PT hormone granules
Oxyphil cells: fewer. Larger, polyonal. Many aidophilic mitochondria. noo known fxn |
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4 types of islet cells in langerhans islets
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A: secretes glucagon
B- insulin D: somatostatin F: pancreatic polypeptide |
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Cushings syndrome
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disorder of adrenal cortex
excessive production of glococorticoids |
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Addisons disease
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Adrenocorticla insufficiency--too litile gluco and mineralocortocoids
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what does parathyroid hormone do?
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Causes osteoBLASTS to secrete an osteoCLAST inhibiting factor. This lowers CA in the blood and increases bone growth
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Hyperparathyroidism
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PH goes down, Ca goes up. Deposits of ca in kidneys and arteries. bone cavities
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WHOAH--PH HORMONE EFFECT WRONG--real:
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PH stimulates osteoclasts, RAISING the ca in blood
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hypoparathyroidism:
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Blood Ca goes down, bones become more dense, can cause spastic muscular convulsion
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Grave's disease
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hyperthyroidism
decreased nody weight, nervous, HR up |
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Histology of adrenal medulla
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Capsule
Glomerulosa Fasiculata Reticulosa |
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fasciculata appearance
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straight cords
lipid drops in cells |
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What makes glucocorticoids
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zona fasciculata, prbable reticularis
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What makes mineralocorticoids
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glomerulosa
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How to tell the medulla from the adrenal cortex?
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Cells are a lot bigger
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