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endocrine system
parathyroid/adrenal hormones
35
Anatomy
Undergraduate 1
10/12/2008

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Term
location of parathyroid glands
Definition
posterior surface of thyroid gland
Term
types of epithelial cells in parathyroid glands
Definition
chief cells, oxyphils
Term
secretes parathyroid hormone
Definition
chief cells
Term
function of oxyphils
Definition
unknown
Term
oxyphil
Definition
epithelial cell of parathyroid gland
Term
chief cell
Definition
secretes parathyroid hormone, epithelial cell of parathyroid gland
Term
target of parathyroid hormone
Definition
osteoblasts, osteoclasts, kindneys
Term
effect of parathyroid hormone
Definition
stimulates osteoclast activity, inhibits osteoclast activity, stimulates reabsorption of calcium at the kidneys, stimulates the release of calcitriol from kidneys
Term
causes the secretion of parathyroid hormone
Definition
low blood calcium
Term
shape of adrenal glands
Definition
pyramid shaped
Term
location of adrenal glands
Definition
top superior portion of kidneys
Term
two major regions of adrenal glands
Definition
adrenal cortex, adrenal medulla
Term
large outer region of adrenal glands
Definition
adrenal cortex
Term
small inner region of adrenal glands
Definition
adrenal medulla
Term
color of adrenal cortex
Definition
yellowish
Term
zones of adrenal cortex
Definition
zona glomerulosa, zona fasciculata, zona reticularis
Term
outermost zone of adrenal cortex
Definition
zona glomerulosa
Term
middle zone of adrenal cortex
Definition
zona fasciculata
Term
innermost zone of adrenal cortex
Definition
zona reticularis
Term
secretes mineralocorticoids
Definition
zona glomerulosa
Term
example of major mineralocorticoid
Definition
aldosterone
Term
effects of aldosterone
Definition
regulates concentration of sodium and potassium ions, adjusts blood pressure and blood volume
Term
secretes glucocorticoids
Definition
zona fasciculata
Term
major glucocorticoid
Definition
cortisol
Term
effects of glucocorticoids
Definition
stimulate protein and lipid breakdown, stimulates gluconeogenesis, imparts resistance to stress, anti-inflammatory properties, depression of immune response
Term
gluconeogenesis
Definition
synthesis of glucose from amino acids or lactic acids in liver
Term
secretes small amounts of androgens
Definition
zona reticularis
Term
effect of androgen secretion from zona reticularis in men
Definition
it's an insignificant supplement to the androgens already produced in the testes
Term
effect of androgen secretion from zona reticularis in women
Definition
stimulates libido and is converted to estrogens
Term
only source of estrogen after menopause
Definition
androgens secreted by zona reticularis of adrenal cortex
Term
acts as s sympathetic ganglion
Definition
adrenal medulla
Term
controlled by autonomic nervous system
Definition
adrenal medulla
Term
secrete epinephrine and norepinephrine
Definition
chromaffin cells of adrenal medulla
Term
cause release of epinephrine and norepinephrine
Definition
stressful situations and physical exertion
Term
effect of epinephrine and norepinephrine
Definition
increase the rate and force of contraction of cardiac muscle, increases blood flow to heart, liver, skeletal muscle, and adipose tissue, increase the rate of adipose tissue breakdown, increase glycogen breakdown in the liver
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