绒毛位于胚胎的外侧面，在哺乳动物称为腹节，表现出典型的环行运动，将化学物质引导到机体的左侧面。
Cilia on the outer surface of the embryo's underside, an area called the ventral node in mammals, exhibit a characteristic twirling movement that wafts chemical messengers over to the left side.
绒毛位于胚胎的外侧面，在哺乳动物称为腹节，表现出典型的环行运动，将化学物质引导到机体的左侧面。
Cilia on the outer surface of the embryo's underside, an area called the ventral node in mammals, exhibit a characteristic twirling movement that wafts chemical messengers over to the left side.
应用推荐