['ju:θəriə]
Eutheria如何读
Eutheria是什么意思
- 真兽亚纲
Eutheria英英释义
adjective
of or relating to a major division (Eutheria) of mammals comprising the placental mammals
Eutheria_医学行业词汇
真兽亚纲：在某些分类系统中，为哺乳纲中的亚纲
有时则为兽类亚纲中的一个附纲，包括所有真胎盘哺乳类，但不包括单孔类和有袋类
Eutheria词源英文解释
ultimately from New Latin eu- + Greek thērion beast — more at treacle
The first known use of eutherian was in 1880
Eutheria 例句
1 The relation of embryos to pouch in Dasyurus, therefore, is closely similar to that of embryos to uterus after the first few days of pregnancy in the Eutheria.
2 In this way it seems to me we have a logical explanation of the fact that the corpora lutea in the Marsupial are not absorbed at parturition as in Eutheria.
3 But the rest of mammals, which come from the eutherian lineage, lost this trait early on, de Magalhaes says, and as a result our genes slowly decay under UV light.
4 Some of the archaic species, such as taeniodonts, might have stemmed from Cretaceous eutherian ancestors and thus would be among the most primitive placentals on the trunk of the family tree.
5 To do that, Harris Lewin, an evolutionary geneticist at the University of California, Davis, and colleagues compared 19 genomes of various mammals at different spots in the eutherian family tree, including several primates.
Eutheria 同义词
1 兽亚纲