Kanye kunye nokubonakala komntwana, abazali abatsha banokungabaza nokukhathazeka, kuba ufuna ukuqiniseka ukuba umntwana unempilo. Enye ye mibuzo ehlala ibuzwa ngamama kunye nabantwana kutheni umntwana osandul 'unayo inwele eyongeziweyo. Ukuze sikwazi ukuxhalabisa, siyaqaphela ngokukhawuleza ukuba oku kuluhlu oluqhelekileyo. Inhloko yentsana esandula kuzalwa ingaba ngeenxa zonke, idibeneyo, i-ovoid iphinde ihlangane - kwinyanga enye okanye kwiintsuku ezimbalwa ukutshintsha kwamehlo kwaye intloko ithola ukubonakala okubonakalayo. Ubume obuninzi bentloko kwiintsana ezisandulweyo ngumphumo oqhelekileyo wokubeletha kwendalo, kwiintsana eziye zavela kwinqanaba elithintekayo, umlo wentloko.
Kutheni i-crumb inesimo esibukhali beskull?
Uhlobo luqinisekisile ukuba umendo womntwana ngokusebenzisa umbhobho wokuzalwa ulula njengokunokwenzeka ukuze umntwana alungise ukutshintshela amathambo omzimba womama kunye nokungabikho kokulimala nokuxhatshazwa. Ngokungafani namathambo ebuso, ahlangene ngokuthe ngqo, amathambo enxalenye yentloko yeyona nto ibonakala ngokuhamba - iimbumba ezinobumba ziphakathi kwazo. Ngenxa yezi zibopheko ezivela kumathambo axhumeneyo kunye neepalaneli kwisithsaba kunye ne-occiput, amathambo enkrele angathatshulwa. Ubume obanzi bentloko yomntwana bubonisa ukuba ulungiso luye lwatshintsha ngexesha lokubeletha kwaye lulungelelaniswe kwiimeko ezijongene nale nkqubo nzima.
Ifom xa i-occiput ye-oblong ibonwa kwintsana ebizwa ngokuthi i-dolichocephalic. Olu khetho ngokuqhelekileyo luvela kwimeko apho i-nape idlula kuqala ngedareli yokuzalwa, kwaye ubuso bubonakala emva komama. Kwimeko yezabasebenzi ngaphandle kweengxaki, i-gaze elixubileyo olusandulweyo alinakuchaphazela kakubi ukuphuhliswa komntwana kwaye akufanele kube yimbangela yokukhathazeka.