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18 Cards in this Set
- Front
- Back
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define hormone
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biochemical that affects function of another cell
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list the five catgories of hormones
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steroid
amines peptides proteins glycoproteins *prostoglandins |
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list the major endocrine glands
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parathyroid gland
pituitary gland thymus thyroid gland pancreas ovaries testes adrenal glands |
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define negative feedback loop
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gland A secretes hormones that cause gland B to secrete a hormone inhibiting the secretions of gland A. The high level of gland A's hormone stimulates gland B.a negative feedback loop.
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what is an endocrine gland?
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part of the internal system that secretes hormones directly into the blood stream
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describe the placement and parts of the pituitary gland (hypophysis)
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attached to the base of the brain in the sphenoid bone. Has an anterior (adenohypophysis) and posterior (neurohypophysis)
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what controls the pituitary gland hormone secretions?
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the posterior reponds to nerve impulses from the hypothalmus. the hormones from the hypothalamus control the anerior lobe of the pituitary gland
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the anterior pituitary gland secretes what hormones?
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GH
TSH ACTH FSH LH PRL |
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GH target organ and effects
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liver, somatomedin secretion, tissue growth
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FSH target organ and effects
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ovaries/testes, growth ovarian follicles, secretion of estrogen, sperm production
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LH target cells, effects, gland that emits this hormone
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ovaries/testes, ovulation, corpus luteum, testosterone secretion
anterior pituitary |
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TSH target cells,effects and gland that emits this hormone
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thyroid, growth of thyroid, anterior pituitary
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ACTH target cells, effects and gland that emits this hormone
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adrenal cortex, growth of adrenal cortex, glucocorticoides, anterior pituitary
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PRL target cells, effects and the gland that emits this hormone
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milk production in mammary glands, testosterone secretion, anterior pituitary
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GH target cells, effects and the gland that emits this hormone
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liver, tissue growth, anterior pituitary
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ADH target cells, effects and the gland that emits this hormone
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kidneys, water retention, posterior pituitary
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OT target cells, effects and the gland that emits this hormone
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uterus and mammary glands, smooth muscle contraction, posterior pituitary
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ADH target cells, effects and the gland that emits this hormone
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kidneys, water retention, posterior pituitary
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