vi·tel·lus
| \ -ˈtel-əs
\
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Medical Definition of vitellus
: the egg cell proper including the yolk but excluding any albuminous or membranous envelopes
also
: yolk
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“Vitellus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/vitellus. Accessed 16 Apr. 2021.
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