superfetation

听听怎么读

英 [sju:pəfi:'teɪʃən]

美 [ˌsjupəfi'teɪʃən]

是什么意思

异期复孕，重孕；

英英释义

superfetation[ ,sju:pəfi:teiʃən ]

n.fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time
"superfetation is normal in some animal species"

学习怎么用

权威例句

Superfetation
Superfetation.
Superfetation
Reproductive Cycles and Superfetation in Pœciliïd Fishes
Superfetation in Poeciliid Fishes
Superfetation in the Ranch Mink
Habitat Predicts Reproductive Superfetation and Body Shape in the Livebearing Fish Poeciliopsis turrubarensis
A case of parallel embryonic development in the rat and its bearing on the question of superfetation
The evolution of placentas and superfetation in the fish genus Poecilia (Cyprinodontiformes: Poeciliidae: subgenera Micropoecilia an...
Spontaneous superfetation diagnosed in the first trimester with successful outcome
Preliminary results on plasma progesterone levels during pregnancy and superfetation in the hare, Lepus Europaeus
Molecular phylogenetic relationships and the coevolution of placentotrophy and superfetation in Poecilia (Poeciliidae: Cyprinodontif...
Familial twinning: a case for superfetation in man.

s开头的单词