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endocrine sysrem
| Term | Definition |
|---|---|
| Hypothalamus | Brain / main organ, regulates other endocrine glands / controls posterior pituitary gland and anterior pituitary gland |
| pituitary gland | marble sized gland @ base of brain / anterior: growth hormone, ACTH, thyroid stimulating, follicle stimulating, luteinizing hormone. Posterior: antidiuretic hormone oxytocin |
| Pineal gland | Thalamus area of brain / secretes melatonin in response to darkness |
| thyroid gland | front of throat/ secretes thyroxine (T4), triiodothyronine (T3), calcitonin |
| parathyroid gland | throat, behind thyroid gland/ parathyroid hormone (PTH) it increases plasma calcium by stimulating bone breakdown and triggers intestines to absorb more calcium |
| thymus | chest cavity/ secretes thymosin, growth of t cells, helps fight off tumors |
| adrenal glands | on top of each kidney/ "fight or flight"/ adrenal cortex: glucorticoids, mineral corticoids and androgens / adrenal medulla : catecholamines : epinephrine, norepinephrine |
| pancreas | abdomen , behind stomach/ BOTH ENDOCRINE n EXOCRINE, proucing digestive enzymes and hormones/ pancreatic cells produce glucagon n raise blood glucose, Beta cells release insulin to lower it |
| Gonnads / ovaries | lower pelvis / sex hormones : estrogens and progesterone |
| Gonads/ testes | 2 oval glands inside scrotum / testostorone and gamestes |