Having no placenta, a term applied to the group of mammals consisting of the marsupials and monotremes (Implacentalia).
| 单词 | θ40651 |
| 释义 | the world > animals > mammals > group Implacenta > [adjective] > having no placenta (1) implacental1839 Having no placenta, a term applied to the group of mammals consisting of the marsupials and monotremes (Implacentalia). |
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