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60 Cards in this Set
- Front
- Back
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group of ductless glands or tissues which secrete hormonal products
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endocrine system
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does the endocrine system work closely with the nervous system?
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yes
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does the endocrine system produce a generalized or specific response
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gnerealized and can lat from a few minutes to a few days
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what are the three ctegories for hormones
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amino acid derivatives
peptide hormones steroid hormones |
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bind to recetpros on the cell membrane
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amino acid derivatives
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bind to receptos on the cell membrane
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peptide hormones
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what do amino acid derivatives an dpeptide hormones bind to
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receptors on the cell membrane
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what diffuses through the cell membranes, binds to a receptor and the hormone receptor complex binds to DNA
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steroid homrones
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what hormones are derived from tyrosine
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thyroid hormones of amino acid derivatives
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what other hormones are derived from tyrosine
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adrenal medullae hormones --> epinephrine and norepinephrine
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rename adrenal medullae hormones
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epinephrine and norepineprine
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what does the pineal body produce and what is it derived from
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melatonin is derived form tryptophan
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what is the largest group of hormones
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peptide hormones
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what hormone encompasses the category of all pituitary hormones
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peptide hormones
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what are steroid hormones derived from
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cholesterol
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what hormones are released by the reproductive organs and adrenal glands
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steroid hormones
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what structure acts as an endocrine gland releasing aDH and oxytoycin at the posteiror pituitary
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hypothalamus
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released in resonse to rise in electrolyte concentration r fall in blood pressure decreases water lost at the kidneys
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antidiuretic hormone
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decreases water lost in the kidneys
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antidiuretic hormone
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tis stiumulates contractions of uterus discharge of milk from the mammary glands and caues SM contractions i the prostate
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oxytoxin
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what causes SM contraction in the prostate
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oxytocin
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what regulatory hormones does the hypothal secret
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controls activities of anteiror pituitary
releasing hormones inhibiting hormones |
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triggers release of thyroid hormones
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thyroid releaing hormones
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triggers release of steriod hormones by adrenal gland, especiall the glucocorticoids
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adenocorticotropic hormones
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promotes the development of gamets: oocytes and sperm and in women stimulates relase of estrogesn
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follicle stimulating hormone FSH
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induces ovulation in women and stimulates produciton of progestins in twomen and adnrogens in men
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luteinizing hormone
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stimulates development of mammary glands and production of milk
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prolactin
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stimulates cell growth the liver responds by producing somatomedins which stimulate protein sysnthesis
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growth hormone
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increse rate of melanin produciton in melanocytes
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melanocyte stimulating hormone
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location of the thyroid gland
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anteiror surface of the trachea and inferior to the thyroid cartilage of the larynx
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what are the two lobes of the thyroid gland joined by
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isthmus
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funciton of thyroid follicles
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manufacture, store, and secrete thyroid hormones
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spherical shaped, lined by simple cuboidal epithel, surrounding a follicle cavitie
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thyroid follicles
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this contians a colloid, a viscous fluid containing suspended proteins
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follicle cavity
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what timulates the release of TSH
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hypothal
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what releases the TSH
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anterior pituitary
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what hormone makes people a bitch
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T4 or T3
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what dop T4 and T3 do besides make you a bitch
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increase cellular metabolism throughout the body
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what are the larger cells of the thyroid that prodcue calcitonin
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C cells of the thyroid
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what opposes action of the parathyroid homrone
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C cells of the thyroid
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what does calcitonin do
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lowers calcium ion concetnartionby ingibiting osteoclasts and stimulating excretion by kidneys
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4 pea sized red brown glands on the posterior surface of the thyroid gland
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parathyroid glands
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what produces parathyroid hormones
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principal cells of chief cells
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stimualtes osteoclasts, inhibits osteoblasts and reduces urinary excretion fo calcium
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parathyroid glands
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at brith this extends from the base of the neck to superior border of the heart
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thymus
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what produces several hormones that stimulate and maintain immunologic defenses
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thymus
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what are the hormones that stimulate and maintain immunologic defenses
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thymosin 1
thymic humoral factor others |
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what are the layers of the adrenal gland
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medulla and cortex just like the kidney
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why is the cortex nasty yellos
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lipis and cholesterol and fatty acids
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what are the 2 dozen steoid hormones called that are produced in the cortex
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adrenocorticosteriords
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what do adrenocorticosterioids do
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affect metabolic operation by determining which genesa retranscribed in target cells
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what are the zones of the adrenal glands
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zonal glomerulosa
zona fasciculata zona recticularis |
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this zone in the adrenal glands prodcues mineralocorticoids like aldosterone that affects electroylte composition
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outer zonal glomerulosa
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this layer poduces glucocorticoids which includes cortisol that speed up glucose metabolism
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middle zona fasiculata
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secretes small mounts of androgens in both sexes
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zona recticularis
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renin erythropoetin and calcitriol
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kidneys
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atrial natriuretic hormones
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supposesses relase of ADJ and stmulates renal water and soldim loss by the heart
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glucoagons insulin and somatostatin
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pancreas
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sex hormones and inhibin which supposees FSH production
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gonads
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releases melatonin
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pineal gland
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