Endocrine System Flashcards
endocrine primary purp
produce hormones that enter blood and travel to specific tissues or organs to modify their behaviour
ductless glands of the endocrine system
pituitary
thyroid
parathyroid
adrenal
pancreatic
pineal
thymus
ovaries
testes
antagonistic
acting in opposition; mutually opposing
electrolytes
salts and minerals that conduct electrical impulses in the body
glucagon
hormone produced by pancreatic alpha cells that stimulates the liver to change stored glycogen to glucose
produced by pancreatic alpha cells
glucagon
glycogen - made of
starch form of sugar
glycogen is turned by the liver into ___
glycose
glucose
simple sugar that is the end products of carbohydrate digestion
sympathomimetic
Agent that mimics the effects of the sympathetic nervous system, the division of the nervous system that increases the “fight or flight” response
Agent that mimics the effects of the sympathetic nervous system, the division of the nervous system that increases the “fight or flight” response
sympathomimetic
pituitary gland - aka
hypophysis
hypophysis - aka
pituitary gland
pituitary gland - loc? size? aka x2?
pea-sized at base of brain
hypophysis, master gland
why pituitary gland called master gland?
regulates many body act
stimulates other glands to secrete their own specific hormones
2 lobes of hypophysis? - loc
anterior lobe - adenohypophysis
posterior lobe - neurohypophysis
adenohypophysis -
part of? location?
trigger by?
produces?
anterior lobe of hypophysis/pituitary gland
action pf hypothalamus
>= 6 hormones
neurohypophysis
- part of and loc?
- 2 purposes? hormone?
- posterior lobe of pituitary gland
- stores and secretes hormones produced by hypothalamus antidiuretic hormone (ADH) and oxytocin
largest gland in endocrine syst
thyroid
thyroid
- loc
- shape
- produces?
- neck just below larynx
- 2 large lobes separated by strip of tissue called isthmus
- Thyroid hormone (TH)
Thyroid hormone
- aka?
use (1)? subuse (3)?
- made of?
- TH
-increases rate of O2 consumption -> rate carbs, proteins, fats metabolized
-actually 2 active iodine-containing hormones (T3), T4
T3 formed from ___
mostly T4 at the target hormones
thyroid hormone not found (4)
- thyroid itself
- adult brain
- spleen
- testes
- uterus
thyroid - 2 influences
- maintaining blood pressure
- influences growth