vitellus
[vi-tel-uh s, vahy-]
- the yolk of an egg.
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Origin of vitellus
Borrowed into English from Latin around 1720–30
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for vitellus
Historical Examples
Now, the human ovum or egg consists of a vitellus or yolk, which is covered by a similar membrane, known as the vitelline.
What a Young Husband Ought to KnowSylvanus Stall
This vitellus or yolk undergoes a series of segmentation or dividings which are known as spontaneous segmentation.
What a Young Husband Ought to KnowSylvanus Stall
Vitellus abdicated the Roman empire, which "he had received against his will."
The Every Day Book of History and ChronologyJoel Munsell
Vitelligenous: producing the vitellus or yolk: said of certain cells in the ovaries, believed to have that function.
Explanation of Terms Used in EntomologyJohn. B. Smith
It has only been met with in the vitellus of some of the medium sized ova of a young female.
The Works of Francis Maitland Balfour, Volume 1Francis Maitland Balfour
vitellus
- zoology rare the yolk of an egg
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Word Origin
C18: from Latin, literally: little calf, later: yolk of an egg, from vitulus calf
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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vitellus
(vĭ-tĕl′əs, vī-)- The yolk of an egg.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.