Term
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Definition
secrete into ducts, ex- salivary, sweat |
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Term
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Definition
ductless, secrete hormones into extracellular space and distributed by blood |
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Term
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Definition
messenger molecules released from the endocrine glands and carried throughout the body by blood |
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Term
what do hormones do in our body? |
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Definition
alter the target cells activities |
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Term
what are the four ways hormones alter target cells activities? |
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Definition
1- alter plasma membrane permeability by opening and closing channels.2- stimulate synthesis of proteins and enzymes.3- ..........????????? |
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Definition
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Term
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Definition
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largest classification of hormones? |
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Definition
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Term
three different classifications of hormones? |
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Definition
protein/aa based, steroids, and amines |
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Term
examples of protein/aa based hormones? |
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Definition
oxytocin, insulin, thyroid hormone |
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Term
steroid hormones are synthesized by ________> |
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Definition
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Term
gonadal and adrenocortical hormones are.... |
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Definition
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Amine hormones include.... |
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Definition
epinephrine, NE, and thyroid hormones |
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Term
hydrophilic hormones include... |
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Definition
monoamines and peptides (must bind to cell surface receptor) |
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Term
hydrophobic hormones include.... |
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Definition
steroids hormones and thyroid hormones |
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Term
T of F: hydrophobic hormones penetrate plasma membrane. |
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Definition
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hormones that bind to intracellular receptors: hydrophilic or hydrophobic? |
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Definition
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Term
two parts of the pituitary gland |
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Definition
posterior (neurohypophysis) and anterior (adenohypophysis) |
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Term
anterior pituitary is controlled by the.... |
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Definition
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Term
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Definition
the relationship between the hypothalamus, pituitary and another endocrine gland |
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Term
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Definition
hormones that control other glands |
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Term
TRH in hypothalamus stimulates ____ in anterior pituitary |
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Definition
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Term
CRH in hypothalamus activates _____ in anterior pituitary. |
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Definition
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Term
anterior pituitary growth hormone targets |
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Definition
bones, cartilage, liver and skeltal muscles |
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Term
anterior pituitary growth hormone stimulates... |
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Definition
protein synthesis, CHO and protein metabolism |
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Term
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Definition
less glucose used for energy |
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Term
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Definition
stimulate development of follicles and eggs, and production of sperm |
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Term
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Definition
stimulates ovulation, and secretion of estrogen, progesterone and testosterone |
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Term
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Definition
stimulate growth of thyroid gland and secretion of thyroid hormone |
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Term
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Definition
regulates response to stress by stimulating adrenal cortex to secrete corticosteroids |
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Term
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Definition
milk synthesis after delivery |
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Term
what does prolactin do to males? |
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Definition
increase LH sensitivity thus increasing testosterone secretion |
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Term
two posterior pituitary hormones? |
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Definition
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Term
what does oxytocin due and what are target tissues? |
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Definition
increases contractoin of uterus during delivery and stimulates milk ejection. targets mothers uterus and breasts |
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Term
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Definition
reabsorption of water by kidney tubules, increases water retention |
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Term
two principle thyroid hormones |
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Definition
thyroxine(T4) and triiodothyronine (T3) |
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Term
T3 and T4 are regulated by |
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Definition
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Term
thyroid hormones regulate.... |
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Definition
oxygen use and metabolic rate and cellular metabolism, growth and development |
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Term
Where do thyroid hormones bind to? |
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Definition
recpetors on mitochondria ribosomes and nucleus |
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Term
Parathyroid hormone with the help of ___maintains homeostasis of ___ and ____ ions. |
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Definition
calcitonin; ca++ ; phosphate |
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Term
PTH increases or decrease Ca++ in blood? |
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Definition
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Term
renin angiotensin mechanisms controls the secretion of... |
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Definition
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Term
alpha cells and beta cells are _______ hormones |
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Definition
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