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A&P Review

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Submitted By dcarrillo
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Pineal gland: surrounded by optic nerve
Makes melatoninresponsible for sleep patterns relaxing sleeping state. Does NOT put you to sleep produced from an amino acid: tryptophan inhibits LH & FSH = affects reproduction
(pinealocytes: actual cells that produce melatonin) *light decreases melatonin

Adrenal glands: sits on top of the kidneys (right and left) Adrenal cortex: 1) zona glomerulosa – mineral corticoids Affected by: a)ACTH b)minerals – salts *adosterone: regulates sodium (Na2+) 2) zona fasciculata – glucocorticoids Affected by: a)ACTH b)amounts of glucose *cortisol 3) zona reticularis – gonadotropic hormones Affected by: a)ACTH b)sex hormones *DHEA-estrogen *DHEA-sulfate Adrenal Medulla: Neuroendocrine cells – chromatin cells 1)epinephrine (better than ) 2)norepinephrine *stimulation of the medulla is through the sympathetic neurons

Skin: UV light starts the production of vitamin D synthesis
Chlosterol  cholealciterol 
 liver  kidneys UV converts to converts to calcidiol calcitrol (vitamin D)

Kidneys: *calcidiol calcitrol (Vit. D) *85% erythropoietin *ytogenic glands produce cells *rennin- angiotensionogen angiotensin I -angiotensionogen leaves kidneys goes to the lungs angiotensin II functional hormone for blood pressure

Thyroid: cuboidal cells that form rings: follicular cells T3 & T4 – secrete the cell & make TH (thyroid hormone) *colloid: water + protein (TH)
* parafollicular cells: produce calcitonin - osteoblasts reduces calcium in the blood
Parathyroid Gland *chief cells – PTH –osteoblast calcium in the blood

Testes:
seminiferous…...

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