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- Georgia
- Gwinnett Technical College
- Biology
- Biology A & P Ii
- Ozcan
- endocrine system
endocrine system
Biology A & P Ii with Ozcan at Gwinnett Technical College
About this deck
By: Nieisha Parker
Created: 2010-11-19
Size: 54 flashcards
Views: 7
Created: 2010-11-19
Size: 54 flashcards
Views: 7
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The two major control systems
nervous system & endocrine system
work in the area they are secreted
local hormones
chemically hormones are...
steroids, amino acids, proteins
hormones bind to...
receptors on their target tissues
where are the receptors of steroid hormones?
inside of the cell
where are the receptors of protein hormones?
on the cell membrane
the pituitary gland is considered the.....
master hormone
the anterior pituitary makes what hormones?
ACTH, TSH, MSH, GH, LS, FSH, PROLACTIN
the posterior pituitary makes what hormones?
ADH, oxytocin
ADH causes...
h2o to be reabsobed in the DCT and collecting tubule
the anterior pituitary is________ in nature
glandular
proteins or fat substances that are secreted into the blood and have an effect on other organs in the body
hormones
_______ has a specific receptor for a specific hormone
target tissues
generally made from cholesterol
steroid hormones
amino acid hormones are made from....
tyrosine
the number of receptors can affect.....
how greatly the hormone influences the cell
what happens when the hormone binds to the receptor?
opens up channels in the cell membrane (changing permeability) or activates enzymes within a cell
steroid hormones bind to receptors in....
the cytoplasm or nucleus
how protein hormones bind to receptors
second messenger
a common second messenger
cAMP
activate or deactivate certain enzymes
cAMP "second messenger"
amino acid hormones that are fat soluble
T3 and T4
the hypothalamus sends nerve impules to the _______ so the hormones can be released
posterior pituitary
controlled by releasing hormones from the hypothalamus
anterior pituitary
how tropic hormones are controlled
negative feedback cycles
gonadotropic hormones are controlled by the hypotahalamus via...
GnRH
gonadotropic hormones
LH, FSH
non-tropic hormones
prolactin, melanocyte-stimulation hormone, growth hormone
increases blood glucose, protein synthesis, and lipolysis
growth hormone
increases and maintains milk production in the breasts
prolactin
growth hormone is controlled by what releasing hormones?
somatostatin (inhibiting) and GHRH (releasing)
the thyroid gland is made of follicles which are made of follicular cells tha produce......
T3 and T4
follicular cells link T3 and T4 together in a protein called....
thyroglobulin (TGB)
thyroglobulin is stored in the...
COLLOID in the middle of the follicle
calcium is important in....
blood clotting, muscle contraction (heart contraction), nerve transmission (release of neurotransmitter)
made by c-cells of the thyroid gland
calcitonin
two glands that make hormones that control calcum levels in the blood
thyroid and parathyroid
antagonistic hormones made by the thyroid and parathyroid
calcitonin and parathyroid hormone
decreases the calcium in blood by osteoblast activity
calcitonin
made by chief cells
parathyroid hormone
made when blood calcium levels are low
parathyroid hormone
acts on tissues to increase blood calcium
parathyroid hormone
controlls blood calcium and hormone levels
parathyroid hormone
hormones released that act directly on target tissue to produce desired effect
tropic hormone
zone that makes aldosterone
zona glomerulosa
zone that make cortisol
zona fasiculata
zone that makes sex hormones
zona reticularis
two parts of the adrenal gland
adrenal cortex, adrenal medulla
adrenal gland hormones
mineralcorticoids (aldosterone), glucocorticoids (cortisol), gonadocorticoids, epinephrine and norepinephrine
________ is not controlled by the anterior pituitary, but directly by the sympathetic nervous system
adrenal medulla
aldosterone secretion is controlled by the level of ______ and ______ in the blood
Na and K
hormones that affect blood glucose levels
epinephrine, thyroid hormone, growth hormone, cortisol
the source of melatonin
pineal gland
two major hormones of the pancreas
glucagon and insulin
About this deck
By: Nieisha Parker
Created: 2010-11-19
Size: 54 flashcards
Views: 7
Created: 2010-11-19
Size: 54 flashcards
Views: 7
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have been getting MUCH better grades on all my tests for school. Flash cards, notes, and quizzes are great on here. Thanks!”
Kathy
Kathy