第一极体

显微注射受精时第一极体位置和卵母细胞膜穿破类型对受精和胚胎发育的影响

小鼠卵母细胞第一极体的采集与保存

猪卵母细胞第1极体与核相对位置变化对去核率的影响

first responder

the first thing

first team

from the very first

first-lady

first-time mother; new mother

last-in first-out memory

first-order asymmetric transformation