dispermy

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• dispermy — dispermic, adj. /duy sperr mee/, n. the fertilization of an ovum by two spermatozoa. Cf. monospermy, polyspermy. [1895 1900; DI 1 + spermy < Gk spermía. See SPERM, Y3] * * * …   Universalium

• dispermy — noun The penetration of an ovum by two spermatozoa …   Wiktionary

• dispermy — di·sper·my dī .spər mē n, pl mies the entrance of two spermatozoa into one egg compare MONOSPERMY, POLYSPERMY * * * di·sper·my (diґspər me) the penetration of two spermatozoa into one oocyte …   Medical dictionary

• dispermy — n. fertilization of one ovum by two spermatozoa (Biology) …   English contemporary dictionary

• dispermy — di·sper·my …   English syllables

• dispermy — ˈdīˌspərmē noun ( es) Etymology: International Scientific Vocabulary di + spermy : the entrance of two spermatozoa into one egg compare monospermy, polyspermy …   Useful english dictionary

• dispermy, dispermia — Entrance of two spermatozoa into one ovum …   Medical dictionary

• Duality — (Roget s Thesaurus) < N PARAG:Duality >N GRP: N 1 Sgm: N 1 duality duality dualism Sgm: N 1 duplicity duplicity Sgm: N 1 biplicity biplicity biformity Sgm: N 1 polarity polarity GRP: N 2 Sgm: N 2 two …   English dictionary for students

• Polyploidy — occurs in cells and organisms when there are more than two homologous sets of chromosomes.Most organisms are normally diploid; polyploidy may occur due to abnormal cell division. It is most commonly found in plants. Haploidy may also occur as a… …   Wikipedia

• Digyny — (also digynia) refers to the process of a diploid ovum becoming fertilized by a monoploid sperm. The result of digyny is a triploid zygote. In humans, both gametes (ovum and sperm) are normally monoploid and give rise to a diploid zygote. Digyny… …   Wikipedia

• polyspermy — polyspermic /pol ee sperr mik/, adj. /pol ee sperr mee/, n. the fertilization of an ovum by several spermatozoa. Cf. dispermy, monospermy. [1885 90; see POLYSPERMIA, Y3] * * * …   Universalium