昆虫腹部的各体节称为腹节。腹部是昆虫体躯的第三体段，是代谢和生殖中心。
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.
三疣梭子蟹胚胎期腹神经链由1对大颚、2对小颚和2对颚足所对应的神经节以及腹部神经链组成。
The ventral nerve cord of the crab in the embryo included 1 pair mandibular neuromere, 2 pairs neuromeres of maxillae, 2 pairs neuromeres of maxillipede and abdomen nerve cord.
方法经腹切口一次切除双侧腰交感神经节及左肾上腺。
Methods The resection of side waist sympathetic nerve joint and left adrenal in the shin abdomen.
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