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Endocrine system
Endocrine system
22
Medical
Undergraduate 1
08/22/2013

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Term
endocrine
Definition
releases hormones into the bloodstream
Term
hormone
Definition
chemicals produced that cause a specific effect at a target or tissue away for origin
Term
pituitary gland
Definition
master gland
Term
thyroid gland
Definition
Main metabolic gland, requires iodine, TH regulates metabolism
Term
parathyroid glands
Definition
4 lobes posterior of the thyroid, produced PTH that regulates calcium balance
Term
adrenal glands
Definition
on top of kidneys
Term
adrenal cortex
Definition
outside - aldosterone, cortisol, testosterone
Term
adrenal medulla
Definition
inner portion - epinephrine and norepinephrine
Term
pancreas
Definition
stimulated by sugar
Term
pancreas alpha cells
Definition
produce glucagon
Term
pancreas beta cells
Definition
produce insulin
Term
pineal gland
Definition
sleep gland - produces melatonin
Term
pituitary disorders
Definition
hyper secretion - size abnormalities
hypo secretion - atrophy
Term
cretinism
Definition
hypothyroidism in infants leads to impaired growth, low body temps, and abnormal bone formation
Term
myxedema
Definition
hypothyroidism during adulthood, weight gain, cold intolerance, fatigue. Treated with hormone therapy
Term
Graves disease
Definition
bulging of eyes, excessive perspiration
Term
toxic goiter
Definition
hyperthyroidism - excessive TSH. Treated with drugs, removal, iodine
Term
hypo parathyroidism
Definition
primary effect, low blood calcium
Term
Addison's disease
Definition
caused by low cortical hormone - adrenal cortex damage or atrophy
Term
Cushing syndrome
Definition
excessive cortisol, and or ACTH - alters carb and protein metabolism, high glucose
Term
pheochromocytoma
Definition
benign adrenal medulla tumor causing excessive amounts of epinephrine and norepinephrine
Term
diabetes
Definition
pancreatic disorder - Type 1 - autoimmune destroys beta cells that produce insulin. Type 2 - pancreas no longer produces enough insulin or body is resistant to insulin
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