† discomorulan. [after German Discomorula (Haeckel 1875, in Jenaische Zeitschr. f. Naturwissensch.9 407)] EmbryologyObsoleterare the disc-shaped morula formed on the surface of the yolk in the earliest stage of discoidal cleavage in a meroblastic ovum.
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1876 Q. Jrnl. Microsc. Sci.16 Pl. VIIDiscomorula of a Slater.