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BIOL 235- Chapter 18 Endocrine System exam(94 questions with 100- correct answers).
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BIOL 235- Chapter 18 Endocrine System exam(94 questions with 100- correct answers).
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BIOL 235- Chapter 18Endocrine System
exam(94 questions
with 100% correct
answers)
Hormones - answer Secretion of endocrine cells
that alters the physiological activity of target cells
of the body.
Exocrine Gland - answer Gland that secretes its
products into ducts that carry the secretions into
body cavities, into the lumen if a organ or to the
outer surface of the body.
ex) Sudoriferous, Sebaceous, mucous, digestive.
Endocrine Gland - answer Gland that secrets
hormones into interstitial fluid and then blood,
ductless gland.
,Ex) Pintuitary, thyroid, parathyroid, adrenal, pineal
gland.
Hormone Receptor - answer Specific molecule or
cluster of molecules that recognize and bind to
particular ligand.
Down regulation - answer Decrease in number f
receptors in response to an excess of a hormone or
neurotransmitter.
Up Regulation - answer When hormone is little,
number of receptors man increase. Target cells are
more sensitive.
Circulating Hormone - answer Pass from the
secretory cells that make them into interstitial
fluid and then into the blood.
inactivated by the kidneys and excreted by the
liver.
Local Hormone - answer Act locally on
neighboring cells or on the same cell that secreted
them without first entering the blood stream.
, inactivates quickly.
Pacrines - answer Local hormone that act on
neighboring cells.
Autocrine - answer Local hormone that act on the
same cell that secrete them.
Steroid Hormone - answer Lipid soluble hormone
derived from cholesterol
Thyroid Hormones - answer lipid soluble hormone
t3- t4
Nitric Oxide - answer Lipid-soluble hormone that
is also a neurotransmitter
Amine Hormones - answer Water soluble hormone
synthesized by removing a molecule of co2
Peptide Hormones - answer water soluble
hormone
antidiuretic hormone and oxytocin
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