isolecithal


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Related to isolecithal: telolecithal, mesolecithal

isolecithal

(ˌaɪsəʊˈlɛsɪθəl)
adj
(Biochemistry) (of the ova of mammals and certain other vertebrates) having an evenly distributed yolk. Compare heterolecithal
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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The mechanisms that cause non-teratogenic plasticity in the direction of cleavage are far from being understood and might be influenced by phylogenetic history, mechanical constraints imposed by the distribution of yolk (centrolecithal or isolecithal), and/or environmental conditions (Rappaport, 1986; Black and Vincent, 1988; Schulze and Schierenberg, 2011).