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单词 zoea
释义

zoea


zo·e·a

Z0021250 (zō-ē′ə)n. pl. zo·e·ae (-ē′ē) or zo·e·as A larval form of crabs and certain other decapod crustaceans, characterized by thoracic appendages used for swimming and often one or more spines on the carapace.
[New Latin, from Greek zōē, life; see azo-.]
zo·e′al adj.

zoea

(zəʊˈiːə) or

zoaea

n, pl zoeae, zoaeae (zəʊˈiːiː) , zoeas or zoaeas (Zoology) the free-swimming larva of a crab or related crustacean, which has well-developed abdominal appendages and may bear one or more spines[C20: New Latin, from Greek zōē life]

zo•e•a

(zoʊˈi ə)

n., pl. -e•ae (-ˈi i) -e•as. the free-swimming larva of certain decapod crustaceans, as the crab, having rudimentary legs and a spiny carapace. [1820–30; < New Latin, appar. extended form of zoe, in same sense < Greek zōḗ life] zo•e′al, adj.
Translations
zoé

Zoea


zoea

[zō′ē·ə] (invertebrate zoology) An early larval stage of decapod crustaceans distinguished by a relatively large cephalothorax, conspicuous eyes, and large, fringed antennae.

Zoea

 

a pelagic larva, one of the developmental stages of decapods. The body consists of a cephalothorax and a segmented abdomen. Only the front thoracic appendages (maxillipeds) and only the hind abdominal appendages (uropods; absent in crab zoea) are developed; the rest are in the embryonic state. The eyes are sessile. The zoea swims with the aid of its maxillipeds. The unique crab zoea have an almost spherical cephalothorax (with long fore, dorsal, and two lateral spines) and narrow abdomen.

zoea


zoea

a crab larva.
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更新时间:2024/12/22 13:18:07