oogamy


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o·og·a·mous

 (ō-ŏg′ə-məs)
adj.
Characterized by or having small motile male gametes and large nonmotile female gametes.

o·og′a·my n.

oogamy

(əʊˈɒɡəmɪ)
n
(Biology) sexual reproduction involving a small motile male gamete and a large much less motile female gamete: occurs in all higher animals and some plants
oˈogamous adj

oogamy

the union of sexually differentiated reproductive cells. — oogamous, adj.
See also: Biology
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References in periodicals archive ?
In addition to the active digestion of male organelle nuclei by the nuclease, the difference in size between male and female gametes in anisogamous and oogamous organisms indicates that the contribution to the progeny of male organellar genomes (DNA) is small, while that of female gametes is large, suggesting that anisogamy and oogamy reinforce maternal inheritance.
(4, 40) In addition, the difference in size between male and female gametes in anisogamous and oogamous organisms showed that contribution to the progeny of the male organellar genome (DNA) is small, while that of female gametes is large, suggesting that anisogamy and oogamy reinforce maternal inheritance.
Rats undergo fertilization by oogamy, where mobile sperm swim to a stationary egg (Gilbert 2000).