| 单词 | paxilla |
| 释义 | paxilla/pakˈsɪlə/Zoology noun 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 |
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