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37.0: Utangulizi

  • Page ID
    175587
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    Mfumo wa endocrine wa wanyama hudhibiti michakato ya mwili kwa njia ya uzalishaji, usiri, na udhibiti wa homoni, ambazo hutumika kama “wajumbe” wa kemikali wanaofanya kazi katika shughuli za seli na chombo na, hatimaye, kudumisha homeostasis ya mwili. Mfumo wa endocrine una jukumu katika ukuaji, kimetaboliki, na maendeleo ya ngono. Kwa binadamu, magonjwa ya kawaida ya mfumo wa endocrine ni pamoja na ugonjwa wa tezi na ugonjwa wa kisukari. Katika viumbe vinavyotokana na metamorphosis, mchakato unadhibitiwa na mfumo wa endocrine. Mabadiliko kutoka kwa tadpole hadi frog, kwa mfano, ni ngumu na nuanced kukabiliana na mazingira maalum na mazingira ya mazingira.

    Picha A inaonyesha tadpole. Picha b inaonyesha chura ambayo ina maendeleo ya miguu lakini bado ina mkia wa tadpole. Picha C inaonyesha chura mzima kikamilifu.
    Kielelezo\(\PageIndex{1}\): Mchakato wa metamorphosis ya amphibian, kama inavyoonekana katika hatua za tadpole-to-frog zilizoonyeshwa hapa, huendeshwa na homoni. (mikopo “tadpole”: mabadiliko ya kazi na Brian Gratwicke)