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单词 antherozoid
释义

Definition of antherozoid in English:

antherozoid

noun ˌanθ(ə)rə(ʊ)ˈzəʊɪdˈanTHərəˌzoid
Botany
  • another term for spermatozoid
    Example sentencesExamples
    • On their release from the antheridia, the antherozoids must then swim through surface water to fertilize neighbouring egg cells.
    • When the egg has matured, these canal cells disintegrate to mucus, making way for the antherozoids.
    • Numerous antherozoids are produced in the antheridia and they swim through the covering film of water to reach the archegonia, each of which contains a single egg cell.
    • The egg cells and antherozoids are collectively known as gametes, and the generation of the moss plant that bears them is known as a gametophyte.
    • At maturity, the antheridium bursts releasing the sperm cells or antherozoids.

Origin

Mid 19th century: from anther + zooid.

 
 

Definition of antherozoid in US English:

antherozoid

nounˈanTHərəˌzoid
Botany
  • another term for spermatozoid
    Example sentencesExamples
    • At maturity, the antheridium bursts releasing the sperm cells or antherozoids.
    • When the egg has matured, these canal cells disintegrate to mucus, making way for the antherozoids.
    • On their release from the antheridia, the antherozoids must then swim through surface water to fertilize neighbouring egg cells.
    • The egg cells and antherozoids are collectively known as gametes, and the generation of the moss plant that bears them is known as a gametophyte.
    • Numerous antherozoids are produced in the antheridia and they swim through the covering film of water to reach the archegonia, each of which contains a single egg cell.

Origin

Mid 19th century: from anther + zooid.

 
 
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更新时间:2024/12/29 11:27:04