单词 | acetabulum |
释义 | acetabulum [´a·sǝ`tab·yǝ·lǝm] ANATOMY A cup-shaped socket on the hipbone that receives the head of the femur. INVERTEBRATE ZOOLOGY 1. A cavity on an insect body into which a leg inserts for articulation. 2. The sucker of certain invertebrates such as trematodes and tapeworms. |
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