yolk

yolk agar

[医] 卵黄琼脂

yolk bag

卵黄囊

yolk blastopore

[医] 卵黄胚孔

yolk cavity

[医] 卵黄腔

yolk cells

[医] 卵黄细胞

yolk cells cleavage

[医] 卵黄分裂

yolk endoderm

[医] 卵黄内胚层

yolk epithelium

[医] 卵黄上皮

yolk granules

[医] 卵黄粒

yolk membranes

[医] 卵黄膜

yolk nuclei

[医] 卵黄核, 巴比阿尼氏核

yolk of wool

[医] 羊毛脂

yolk plug

[医] 卵黄栓

yolk sac

卵黄囊
[医] 卵黄囊

yolk sac antigcns

[医] 卵黄囊抗原

yolk skin

[医] 卵黄膜

yolk stalk

[医] 卵黄蒂

yolk-sac endoderm

[医] 卵黄囊内胚层

yolk-sac entoderm

[医] 卵黄囊内胚层

yolk-sac placenta

[医] 卵黄囊胎盘, 绒[毛]膜卵黄囊胎盘