trophamnion

trophamnion
\\träf+\ noun
Etymology: New Latin, from troph- + amnion
: a nutritive sheath that sometimes invests the embryonic portion of the insect egg especially in polyembryonic insects — see paranucleus

Useful english dictionary. 2012.

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  • trophamnion — n. [Gr. trophe, food; amnion, membrane around the fetus] (ARTHROPODA: Insecta) An envelope surrounding the embryonic mass in the polyembryonic ova of mainly parasitic Hymenoptera, formed by cytoplasm in the egg associated with the paranuclear… …   Dictionary of invertebrate zoology

  • trophamnion — troph·amnion …   English syllables

  • paranucleus — “+ noun (plural paranuclei) Etymology: New Latin, from para (I) + nucleus 1. : an accessory or additional nucleus or body resembling a nucleus in a cell 2. : one of the nuclei derived from polar bodies that functi …   Useful english dictionary

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