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Test 2
Ch 17
24
Anatomy
Undergraduate 1
03/08/2011

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Term
hormone
Definition
chemical messengers that are transported by the bloodstream and stimulate physiological responses in cells of another trissue or organ, often far away
Term
endocrine gland
Definition
organs that produce hormones. Pituitary, thyroid, adrenal gland
Term
receptor
Definition
target cells/organs that are meant for a specific hormone
Term
endocrine gland
Definition
ductless,release their secretions into the bloodstream. Have lots of blood capillaries and alter the metabolism of their target cells. Sympathetic
Term
exocrine gland
Definition
have ducts, secrete through way of a duct on epithelial surface or mucosa. Like digestion of food, parasympathetic
Term
nervous system
Definition
responds to stimuli quickly, has both elecrrical and chemical signals, one nerve fiber innervates only one organ and a limited number of cells
Term
TRH (Thyrotropim-releasing hormone)
Definition
promotes secretion of thyroid-stimulating hormone and prolactin
Term
CRH (Corticotropin-releasing hormone)
Definition
Promotes secretion of adrenocorticotropic hormone(ACTH)
Term
GnRH (Gonadotropin-releasing hormone)
Definition
Promotes secretion of follicle-stimulating hormone and luteinizing hormone
Term
PIH (Prolactin-inhibiting hormone)
Definition
Inhibits secretion of prolactin
Term
Somatostatin
Definition
Inhibits secretion of growth hormone and thyroid-stimulating hormone
Term
oxytocin
Definition
acts on the uterus and mammary glands causing labor contractions, milk release
Term
Antidiuretic hormone (ADH)
Definition
acts on the kidneys, water retention
Term
thyrotropin
Definition
promotes secretion of thyroid hormone and growth of the thyroid gland.
Term
corticotropin
Definition
targets the adrenal cortex, important in the bodys respond to stress
Term
prolactin
Definition
enhances the production of milk in women and secretion of testosterone in men
Term
somatostatin (growth hormone-inhibiting hormone)
Definition
inhibits some digestive enzyme secretion and nutrient absorption, acts locally on the pancreas
Term
ADH(Antidiuretic hormone) and Oxytocin (OT)
Definition
2 hormones released by Posterior Pituitary
Term
suspended from the floor of the hypothalamus and housed by the depression of the sphenoid bone.
Definition
location of pituitary
Term
the sella turcica of the sphenoid bone
Definition
where is the pituitary located on the sphenoid bone?
Term
somatostasin
Definition
inhibits growth hormone. released from anterior pituitary gland.
Term
Antidiuretic Hormone
Definition
produced by supraoptic nuclei, released by posterior pituitary gland
Term
Day Vision(photopic)
Definition
has a low degree of spatial summation
Term
Night vision (scotopic)
Definition
has a high level of spatial summation
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