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ˌheteroˈlecithal
ˌheteroˈlecithal adj. 
/ˌhɛdərəˈlɛsəθ(ə)l/ [Greek λέκιθος yolk of an egg] Embryology (of an egg cell) having the yolk unevenly distributed in the cytoplasm.
Brit. /ˌhɛt(ə)rə(ʊ)ˈlɛsᵻθl/
, /ˌhɛt(ə)rə(ʊ)ˈlɛsᵻθl/U.S. /ˌhɛdəroʊˈlɛsəθ(ə)l/
, /ˌhɛdəroʊˈlɛsəθ(ə)l//ˌhɛdərəˈlɛsəθ(ə)l/ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [adjective] > ovum > yolk
yolked1584
vitelliferous1819
vitelline1835
yolk1836
vitellary1847
vitelligenous1859
vitelligine1864
vitellogenous1878
alecithal1880
centrolecithal1880
heterolecithal1892
homolecithal1892
vitelligerous1898
isolecithal1926
ovovitelline1945
vitellogenetic1961
vitellogenic1964
1892 E. L. Mark tr. O. Hertwig Text-bk. Embryol. i. 28 The translator has been accustomed for several years to use the word homolecithal instead of alecithal, heterolecithal being employed as a coördinate term to embrace telolecithal and centrolecithal eggs.
1896 E. B. Wilson Cell 336 Heterolecithal..having unequally distributed deutoplasm (includes telolecithal and centrolecithal).
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