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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Term
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Definition
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Term
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Definition
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Term
| 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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Term
| 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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Term
| 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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