BIO 669 QUESTIONS AND ANSWERS LATEST UPDATE
(GRADED A+)
diurnal
Happening or active during the day
Pulsitile secretion
Secreted in result of issue
cyclic secretion of hormones
Up and down secretion of hormone
negative feedback
A primary mechanism of homeostasis, whereby a change in a physiological variable that is being
monitored triggers a response that counteracts the initial fluctuation.
Too much calcium, hormones remove blood calcium
short loop negative feedback
a pituitary hormone feeds back to decrease hormone secretion by the hypothalamus
long loop negative feedback
when the last hormone in a pathway feeds back to suppress secretion of its trophic hormones
ultra short loop negative feedback
releasing hormone on hypothalamus
endocrine glands
Glands of the endocrine system that release hormones into the bloodstream
down regulation
target cells lose receptors in response to the hormone
Up-regulation of receptors
Low blood levels of a hormone result in an increase in the number of PM receptors
target cells
cells that have receptors for a particular hormone
direct hormones
secreted and then act directly on a target tissue
permissive hormone interaction
(GRADED A+)
diurnal
Happening or active during the day
Pulsitile secretion
Secreted in result of issue
cyclic secretion of hormones
Up and down secretion of hormone
negative feedback
A primary mechanism of homeostasis, whereby a change in a physiological variable that is being
monitored triggers a response that counteracts the initial fluctuation.
Too much calcium, hormones remove blood calcium
short loop negative feedback
a pituitary hormone feeds back to decrease hormone secretion by the hypothalamus
long loop negative feedback
when the last hormone in a pathway feeds back to suppress secretion of its trophic hormones
ultra short loop negative feedback
releasing hormone on hypothalamus
endocrine glands
Glands of the endocrine system that release hormones into the bloodstream
down regulation
target cells lose receptors in response to the hormone
Up-regulation of receptors
Low blood levels of a hormone result in an increase in the number of PM receptors
target cells
cells that have receptors for a particular hormone
direct hormones
secreted and then act directly on a target tissue
permissive hormone interaction
