a third stage of an ovum, succeeding the deutovum. [ < scientific Latin tritovum (Claparède, 1868) < trito-trito-comb. form + ovumovumn.]
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the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > stage of ovum
tritovum1877
1877 T. H. HuxleyMan. Anat. Invertebrated Animals vii. 385 In the Acarus of the Mouse, Claparède observed that the deutovum stage is followed by a tritovum.