Izinyo
Izinyo ( ubu. amazinyo ) liyisakhiwo esiqinile, esicaphene esitholakala emihlathini (noma emilonyeni ) yezilwane eziningi ezinomgogodla futhi esisetshenziselwa ukuhlakaza ukudla . Ezinye izilwane, ikakhulukazi ezindlanyama kanye nezindlakonke, nazo zisebenzisa amazinyo ukusiza ekubambeni noma ekulimazeni inyamazane, ziklebhule ukudla, ngezinjongo zokuzivikela, ukwesabisa ezinye izilwane ngokuvamile okuhlanganisa nezazo, noma ukuthwala inyamazane noma amazinyane azo. Izimpande zamazinyo zimbozwe yizinsini . Amazinyo awenziwe ngethambo, kodwa enziwe ngezicubu eziningi ezinobukhulu obuhlukahlukene kanye nobuqatha obuvela kungqimba lwamagciwane olungaphandle kakhulu, i -ectoderm .