单词 | 爬行类 |
释义 | 〔chorioallantois〕The highly vascular fetal membrane that consists of the fused chorion and allantois, found adjacent to the eggshell in reptiles and birds and constituting the placenta in most mammals.绒毛膜尿囊:由融合的绒毛膜和尿囊组成的富含血管的胎膜组织,存在于爬行类动物和鸟类的蛋壳附近,并且构成大多数哺乳动物的胎盘〔dinosaur〕Any of various extinct, often gigantic, carnivorous or herbivorous reptiles of the orders Saurischia and Ornithischia that were chiefly terrestrial and existed during the Mesozoic era.恐龙:一种主要生活在中生代时期的陆栖动物,是庞大的食肉或食草爬行类动物,属龙盘目与鸟盘目,已绝种〔serosa〕The chorion of a bird or reptile embryo.绒毛膜:鸟或爬行类胚胎的绒毛膜〔chorion〕The outer membrane enclosing the embryo in reptiles, birds, and mammals. In placental mammals it contributes to the development of the placenta.绒毛膜:在爬行类动物、鸟类及哺乳类动物中包含胚胎的外膜,在有胎盘哺乳动物中与胎盘的发育有关〔lacertilian〕Of, relating to, or characteristic of lizards and closely related reptiles; Saurian.蜥蜴类动物:蜥蜴类的、蜥蜴状的或与爬行类动物有紧密关系的;蜥蜴类动物 |
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