micrallantoid, a. rare.
(maɪkrəˈlæntɔɪd)
[f. micro- + allantoid.]
Having a small allantois. (Cf. megallantoid, mesallantoid.)
| 1877 W. Turner Hum. Anat. ii. 869 Milne Edwards has grouped them [the Rodentia, Insectivora, Cheiroptera, Quadrumana, and Man] together in a Micrallantoid legion. |