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单词 paxilla
释义

Definition of paxilla in English:

paxilla

noun pakˈsɪlə
Zoology
  • An ossicle in the endoderm of the aboral surface of some starfishes, having a column-like part projecting above the body surface which has a flattened top covered with small hinged spines which may be lowered to create a cavity next to the aboral surface.

Origin

Late 19th century; earliest use found in George Rolleston (1829–1881), physician and physiologist. From scientific Latin paxilla from classical Latin paxillus small stake, peg.

Definition of paxilla in US English:

paxilla

nounpakˈsɪlə
Zoology
  • An ossicle in the endoderm of the aboral surface of some starfishes, having a column-like part projecting above the body surface which has a flattened top covered with small hinged spines which may be lowered to create a cavity next to the aboral surface.

Origin

Late 19th century; earliest use found in George Rolleston (1829–1881), physician and physiologist. From scientific Latin paxilla from classical Latin paxillus small stake, peg.

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更新时间:2025/7/17 11:02:14