oosperm

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English

Etymology

From oo- +‎ sperm.

Noun

oosperm (plural oosperms)

  1. (biology) The ovum, after fusion with the spermatozoon in impregnation.
    • 1880-1881, Francis Maitland Balfour, A Treatise on Comparative Embryology
      It is clear that the ovum after fertilization is an entirely different body to the ovum prior to that act , and unless the use of the same term for the two conditions of the ovum had become very familiar , a special term , such as oosperm , for the ovum after the fusion with the spermatozoom, would be very convenient.

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