SPERMATOZOID

antherozoid, spermatozoid

(noun) a motile male gamete of a plant such as an alga or fern or gymnosperm

Source: WordNet® 3.1


Noun

spermatozoid (plural spermatozoids)

(biology) A motile, ciliated male gamete produced in the antheridium of an alga, fern or gymnosperm.

Source: Wiktionary


Sper`ma*to*zo"id, n. Etym: [Spermatozoƶn + Gr. (Biol.)

Definition: The male germ cell in animals and plants, the essential element in fertilization; a microscopic animalcule-like particle, usually provided with one or more cilia by which it is capable of active motion. In animals, the familiar type is that of a small, more or less ovoid head, with a delicate threadlike cilium, or tail. Called also spermatozoƶn. In plants the more usual term is antherozoid.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

19 November 2024

SALTWORT

(noun) bushy plant of Old World salt marshes and sea beaches having prickly leaves; burned to produce a crude soda ash


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Coffee Trivia

An article published in Harvard Menā€™s Health Watch in 2012 shows heavy coffee drinkers live longer. The researchers examined data from 400,000 people and found out that men who drank six or more coffee cups per day had a 10% lower death rate.

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