新东方在线英语词典

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vitellus

听听怎么读
英 [vɪ'teləs]
美 [vɪ'teləs]
是什么意思
  • n.

    蛋黄;

  • 变形

    复数:vitelluses

    英英释义

    vitellus[ vi'teləs ]

    • n.nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg)

      同义词:yolk

    学习怎么用

    权威例句

    vitellusvitellusL'organisation du vitellus dans les œufs d'amphibiensRole of the vitellus in the block to polyspermy in golden hamster eggsThe defensive secretion of Vitellus insularis (Heteroptera: Pentatomidae)Modulation of fertilization by the vitellus after interaction with peptides released by hamster sperm-zona pellucida contact.Effect of excreta, blood and vitellus contamination on fertilisation success of Onchorhynchus mykiss. – Aquaculture 1996: 173–182Recherches sur le développement ovarien des oeufs méroblastiques à vitellus nutritif abondantTransfer, viability and colonisation of Campylobacter jejuni in the chicken vitellus and in embryosObservation by scanning electron microscopy on the time sequence of sperm penetration into the vitellus of hamster eggs.