Mbalame ya chikhalidwe cha embryo imakhala ndi thupi la mbale ya chikhalidwe, yomwe imadziwika kuti chikhalidwe cha mbale ya chikhalidwe chimakonzedwa ngati chotengera chofanana ndi diski, khoma lachitetezo limakonzedwa mu khoma lakunja la chotengera chofanana ndi diski, khoma lamkati ndilo. kukonzedwa mu khoma lachitetezo, kusiyana kumakonzedwa pakati pa khoma lachitetezo ndi khoma lamkati kuti likhale lotetezera, ndi kutsika kwa chikhalidwe cha katatu, kutsika kwa chikhalidwe chozungulira, kutsika kwa chikhalidwe chapakati ndi kutsika kwa chikhalidwe cha makona anayi kumakonzedwa pansi. chotengera mkati khoma lamkati, Kuchuluka kwa mabowo a chikhalidwe amakonzedwa pansi pa dontho la chikhalidwe, kutalika kwa khoma lachitetezo kuli kwakukulu kuposa kutalika kwa khoma lamkati ndi khoma lakunja, khoma lachitetezo limalumikizidwa ndi Khoma lakunja kuti lipange mawonekedwe opindika, mabowo achikhalidwe khumi amakonzedwa molingana pansi pa dontho lachikhalidwe, m'mimba mwake mabowo achikhalidwe amayikidwa 1mm ndipo kuya kwake kumayikidwa 0.5mm, mabowo azikhalidwe amakonzedwa m'mizere itatu. , ndipo chiwerengero cha mabowo a chikhalidwe pamzere uliwonse kuchokera pamwamba mpaka pansi ndi atatu, anayi ndi atatu.