ovovitellinn.
/ˌəʊvəʊvɪˈtɛlɪn/, /ˌəʊvəʊvʌɪˈtɛlɪn/, U.S. /ˈˌoʊvoʊvəˈtɛlən/, /ˈˌoʊvoʊˌvaɪˈtɛlən/ Biochemistry. Now rare.
= vitellin n. 1.
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the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > yolk
yolkeOE
spring1600
vitellary1650
vitellus1728
food-yolk1850
vitellin1857
trophoblast1886
vitelline1891
ovovitellin1906
1906 Westm. Gaz. 29 Aug. 2/2 The hæmoglobin of the blood of the chick is formed by certain cyanic ferruginous compounds which are found associated with ovovitelline.
1907 Science 13 Sept. 345/2 Ovovitellin is another form of protein compound containing lecithin in available form.
1950 J. B. Sumner & K. Myrbäck Enzymes I. i. 20 It is likely that such food proteins as casein and ovovitellin are elaborated to serve as sources of amino acids for the suckling mammal or for the incubating embryo.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).
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n.1906