Definition of vitellus in English:

vitellus

noun vɪˈtɛləsvʌɪˈtɛləs

mass nounEmbryology

The yolk of an egg or ovum.
〔胚〕卵黄
Example sentencesExamples
- With a center core, the darker core areas appear like fish egg vitellus and crustacean inner organs.
- If eggs of Echinarachnius be inseminated with thin sperm suspension they throw off membranes that are fully formed and equidistant from the surface of the vitellus in from two to three minutes.
- Fish eggs can be round with the hook passed through or half round with the egg vitellus in the form of colored yarn waving out the flat side along the shaft of the hook.
- In no case, when comparing embryos from the same uterus, was the presence of vitellus found in only part of the embryos observed; neither was it found in small quantities.

Origin

Early 18th century: from Latin, literally 'yolk'.

Definition of vitellus in US English:

vitellus

noun

Embryology

The yolk of an egg or ovum.
〔胚〕卵黄
Example sentencesExamples
- Fish eggs can be round with the hook passed through or half round with the egg vitellus in the form of colored yarn waving out the flat side along the shaft of the hook.
- In no case, when comparing embryos from the same uterus, was the presence of vitellus found in only part of the embryos observed; neither was it found in small quantities.
- With a center core, the darker core areas appear like fish egg vitellus and crustacean inner organs.
- If eggs of Echinarachnius be inseminated with thin sperm suspension they throw off membranes that are fully formed and equidistant from the surface of the vitellus in from two to three minutes.

Origin

Early 18th century: from Latin, literally ‘yolk’.

词汇	vitellus
释义	Definition of vitellus in English: vitellus noun vɪˈtɛləsvʌɪˈtɛləs mass nounEmbryology The yolk of an egg or ovum. 〔胚〕卵黄 Example sentencesExamples With a center core, the darker core areas appear like fish egg vitellus and crustacean inner organs. If eggs of Echinarachnius be inseminated with thin sperm suspension they throw off membranes that are fully formed and equidistant from the surface of the vitellus in from two to three minutes. Fish eggs can be round with the hook passed through or half round with the egg vitellus in the form of colored yarn waving out the flat side along the shaft of the hook. In no case, when comparing embryos from the same uterus, was the presence of vitellus found in only part of the embryos observed; neither was it found in small quantities. Origin Early 18th century: from Latin, literally 'yolk'. Definition of vitellus in US English: vitellus noun Embryology The yolk of an egg or ovum. 〔胚〕卵黄 Example sentencesExamples Fish eggs can be round with the hook passed through or half round with the egg vitellus in the form of colored yarn waving out the flat side along the shaft of the hook. In no case, when comparing embryos from the same uterus, was the presence of vitellus found in only part of the embryos observed; neither was it found in small quantities. With a center core, the darker core areas appear like fish egg vitellus and crustacean inner organs. If eggs of Echinarachnius be inseminated with thin sperm suspension they throw off membranes that are fully formed and equidistant from the surface of the vitellus in from two to three minutes. Origin Early 18th century: from Latin, literally ‘yolk’.
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