Serial histology of 2 male and 2 female fetal human hearts

Four sections each of two male hearts at 8.7 (HEF_DN_F0000406) or 11.9 (HEF_DN_F0000399) post-conceptional weeks (pcw), respectively.Five sections each of two female hearts at 9.7 (HEF_DN_F0000409) or 10.9 (HEF_DN_F0000408) pcw, respectively.

分别选取2例雄性心脏样本，其受孕后周数（post-conceptional weeks, pcw）分别为8.7（样本编号HEF_DN_F0000406）与11.9（样本编号HEF_DN_F0000399），每例对应4张组织切片；分别选取2例雌性心脏样本，其受孕后周数（pcw）分别为9.7（样本编号HEF_DN_F0000409）与10.9（样本编号HEF_DN_F0000408），每例对应5张组织切片。