mesolecithal egg
Eggs with moderate yolk content; see centrolecithal egg.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • centrolecithal egg — (ARTHROPODA) A type of arthropod egg in which the nucleus is located centrally in a small amount of nonyolky cytoplasm surrounded by a large mass of yolk until fertilized; when nuclear divisions begin the nuclei migrate to the periphery to… …   Dictionary of invertebrate zoology

  • Cleavage (embryo) — In embryology, cleavage is the division of cells in the early embryo. The zygotes of many species undergo rapid cell cycles with no significant growth, producing a cluster of cells the same size as the original zygote. The different cells derived …   Wikipedia

  • medialecithal — Denoting an egg with a moderate amount of yolk, as in amphibians. [L. medialis, medial, + G. lekithos, egg yolk] * * * me·di·a·lec·i·thal (me″de ə lesґĭ thəl) [media + lecithal] mesolecithal …   Medical dictionary

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