pseudovum

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  1. A pseudovarian ovum; the egg produced in a pseudovary; a false egg, or the germ of an individual, as an aphid, produced agamogenetically and part henogenetically. The unimpregnated eggs laid by a virgin aphis are pseudova. The delicate investing membrane or cell-wall is ruptured immediately by the active embryos. One of the hindermost of these cells enlarges and becomes detached from the rest as a pseudovum. It then divides and gives rise to a cellular mass, distinguishable into a peripheral layer of clear cells and a central more granular substance, which becomes surrounded by a structureless cuticula. It is this cellular mass which gradually becomes fashioned into the body of a larval aphis. Huxley, Anat. Invert., p. 385. The ova which originate in it [pseudovary] and are incapable of fertilization [it will be convenient to call] the pseudova. Claus, Zoölogy (trans.), p. 544.

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  1. New Latin, from Greek ψευδής, false, + Latin ovum, egg.
 

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