I-Endocrinology Quiz Prep Pro
I-Endocrinology ukutadisha kohlelo lwe-endocrine emzimbeni womuntu. Lesi simiso sezindlala esivikela ama-hormone okugcona. Ama-hormone amakhemikhali athinta isenzo sezinhlaka ezahlukahlukene zomzimba emzimbeni. Izibonelo zifaka i-hormone yegilo, i-hormone yokukhula kanye ne-insulin. Uhlelo lwe-endocrine lubandakanya izindlela eziningi zokuphendula, ukuze kuvame ukuthi i-hormone eyodwa (njenge-hormone egqugquzela i-thyroid) ilawule isenzo noma sokukhishwa kwenye i-hormone yesibili (efana ne-hormone yegilo). Uma kuningi kakhulu i-hormone yesibili, inganikeza impendulo engemihle ku-hormone eyinhloko, igcina i-homeostasis.
Encazelweni yokuqala yango-1902 nguBayliss no-Starling (bheka ngezansi), bacacisa ukuthi, ukuze ihlukaniswe njengehomoni, kufanele kukhiqizwe amakhemikhali ngesitho, sikhishwe (ngamanani amancane) siye egazini, futhi sihanjiswe igazi esitho esikude ukuze likhiphe umsebenzi walo othize. Le ncazelo ibambe iningi lama-hormone "e-classical", kepha futhi kukhona izindlela zokuxhumana (ukuxhumana kwamakhemikhali phakathi kwamaseli ngaphakathi kwezicubu noma isitho), amasiginali we-autocrine (amakhemikhali asebenza kuseli elifanayo), nezimpawu ze-intracrine (amakhemikhali asebenza ngaphakathi iseli elifanayo). [4] Isiginali ye-neuroendocrine yi-"classical" yamahhala ekhishwa egazini yi-neurosecretory neuron (bheka i-athikili ku-neuroendocrinology).
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Sep 24, 2019