ßÌÊÀ ÇÀÄÍÅÏÐÎÕÎÄÍÀß
(
proctodeum) - âïÿ÷èâàíèå ýêòîäåðìû, îáðàçóþùååñÿ ó ýìáðèîíà íà õâîñòîâîì êîíöå. Çàäíåïðîõîäíàÿ ïåðåïîíêà, îòäåëÿþùàÿ ýòî óãëóáëåíèå îò çàäíåé êèøêè ýìáðèîíà, ðàçðûâàåòñÿ ïðèìåðíî íà òðåòüåì ìåñÿöå áåðåìåííîñòè (â êîíöå ïÿòîé íåäåëè - ðåä.). Äëÿ ñðàâíåíèÿ:
Ñòîìîäåóì.
Íàâèãàöèÿ: [
ß] [
ßÌ] [
ÿìêà] [
ÿìêà] [
ÿìêè ãðóøåâèäíûå] [
ÿìî÷êà]