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Endocrine System (Major Function (endocrine gland (pineal gland, thyroid…
Endocrine System
Major Function
.Coordinate
.control /regulate body function
.secreted hormones
hormone
chemical messenger travel in blood
endocrine tissue
endocrine gland
pineal gland
thyroid gland
anterior pituitary gland
parathyroid gland
adrenal gland
endocrine cells
.kidneys
.skin
.pancreas
.gonads
.hypothalamus
.heart
.placenta
target cell
cells target specific hormones
anterior pituitary
adrenocorticotropic hormones
hormones release by adrenal cortex
gonadotropins
stimulates gonads
follicle stimulating hormones
gemate
luteinizing hormones
estrogen/testosterone
thyroid stimulating hormones
stimulated thyroid to release hormones
prolactin
stimulated mammary gland/ milk prodcution
growth hormones
stimulates growth of all cell/ epiphyseal plate
adrenal cortex
zona fasciculata
secreted glucocorticoids / maintain blood glucose level
zona reticularis
glucocorticoids and androgens in other tissue to estrogen/ testosterone
zona glomerulosa
secreted mineralcorticoids / kidneys retain sodium and water
nervous system/endocrine system
nervous system
target cells
.muscle (smooth, skeletal)
.gland
time onset of action
.fast/ milliseconds
messenger action
.local- synapse
.bind to receptor cell membrane
duration of action
.fast/ milliseconds
chemical messenger
neurotransmitter
endocrine system
target cells
target cells/ various locations
time onset of action
slow/seconds/hours/days
messenger action
target cells/near or far
duration of action
slow/second/days
chemical messenger
hormones (bloodstream)
pituitary gland
anterior pituitary
.glandular tissue
.produce hormones
posterior pituitary
.store hormones produce by hypothalamus
.not produce hormones
oxytocin
stimulates uterus contraction
antidiuretic/ vasopressin
cause kidneys conserve water
thyroid gland
produce thyroid hormones
increase metabolic rate/ nutrients to energy
calcitonin
decrease osteoclast in children
testes/ ovaries
testes
secreted testosterone
ovaries
secreted estrogen/ progesterone
pancreas
regulated blood glucose
islet cell
alpha
secreted glucagon
increase blood glucose level
beta
secreted insulin
decrease blood glucose level
Endocrine system
.ductless
.secretion hormones into bloodstream
.epithelial tissue
Exocrine system
.duct
secretion in sweat gland, salivary gland
.epithelial tissue
parathyroid gland
produce parathyroid hormones
increase blood calcium level when its low
adrenal medulla
sympathetic
secreted nonepinephrine/ epinephrine
thymus gland
produce thymic hormones
to cause T lymphocytes to become immunocompetent
ability to response to foreign cell (antigens)
fight off illness