the mesoderm adjacent cardiac tube differentiates into the myoepicardial mantle cardiac jelly: gelatinous substance between endothelial wall and 横窦 myoepicardial mantle 心肌层 then invaded/ by 心胶 mesenchymal cell -heart wall; endocardium myocardium nd an epicardium
---the mesoderm adjacent to cardiac tube differentiates into the myoepicardial mantle ---cardiac jelly: gelatinous substance between endothelial wall and myoepicardial mantle, then invaded by mesenchymal cell ---heart wall: endocardium; myocardium and epicardium
年烃一 背丰动脉 羊 旧心腔 心管 第2天 神泾管 前一 心质 心肌外岔层 鹤22天 动脉 横窦 静脉案 心嬷 一包 第28天(纵断面 第28天(横斷面
2) Further development of the heart single cardiac tube connected caudal to the umbilical vitelline and common cardinal vein; cephalically connected to the dorsal aortae by means of aortic arches 总主静脉
2) Further development of the heart ---single cardiac tube connected caudally to the umbilical, vitelline and common cardinal vein; cephalically connected to the dorsal aortae by means of aortic arches
three dilatations /bulbus cordis 心球 /ventricle latrium 心房
---three dilatations: /bulbus cordis /ventricle /atrium