A&P2 Class Notes P47 Endocrine #3/Test 3
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| Anterior lobe produces 7 hormones:: | GH, PRL, TSH, FSH, LH, ACTH, and MSH
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| The hormones that are tropic are: | TSH, FSH,LH, & ACTH
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| GH is | growth hormone, it regulates cell growth
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| Prolactin is | PRL, it controls milk production and secretion
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| Thyroid Stimulating Hormone is: | TSH; it regulates the production & release of thyroid hormones
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| Follicle-stimulating hormone is: | FSH; it stimulates gamete production
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| Leutenizing hormone is: | LH; sitmulates hormone production in gonads;
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| LH is called ICSH in: | males
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| Adrenocorticotropic hormone is: | ACTH; regulates production of hormones in adrenal cortex
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| Melanocyte stimulating hormone: | MSH; stimulates MELANIN dispersal in skin to regulate pigmentation.
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| MSH is made in: | pars intermedia; not active in adults
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| Posterior lobe is the: | neurohypophysis or pars nervosa
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| The pons nervosa consists of cells called: | PITUICYTES, which are similar to neuroglia
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| The pons nervosa is not really an endocrine gland because: | it does not symthesize hormones
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| The hormones associated with the posterior pituitary: are actually produced in the: | neurosecretary cells of the hypothalamus and then pressed into the special pituicles of the posterior pituitary
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| Posterior lobe releases: | Oxytocin and Antidiuretic Hormones
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| Oxytocin is for: | smooth muscle contraction ie: uterine flabor pains
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| Antidiuretic hormone (ADH) is: | VASPORESSIN-causes kidneys to remove water from urine & return it to the blood
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| The th;yroid is located: | just below the larynx
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| Thyroid consists of R & L lateral: | lobes, which lie on eighor side of the trachea
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| Lobes (of thyroid) are connected to: | a mass of tissue called the ISTHMUS that lies in front of the trachea & below the cricoid cartilage
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| The Thyroid contains FOLLICULAR cells that: | reach the surface of the lumen of the follicle and PARAFOLLICULAR cells (C-cells) that are tucked in-between the follicular cells & the basement membranes of the follicular cells
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| The follicular cells manufacture: | THYROXINE (T4) AND TRIIODOTHYRONINT (T3)
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| The T4 & T3 hormones are referred to as: | thyroid hormones, which are regulators of metabolic rate.
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| Thyroid hormonesf are derivatives of: | the amino acid tyrosinenin
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| Para follicular cells produce: | CALCITONIN (CT), which lowers calcium levels in blood
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