单词 micrallantoid 释义 micrallantoid, a. rare.|makrlntd|[f. micro- + allantoid.]Having a small allantois. (Cf. megallantoid, mesallantoid.)1877W. Turner Hum. Anat. ii. 869 Milne Edwards has grouped them [the Rodentia, Insectivora, Cheiroptera, Quadruman...