"knee cap," 1690s, from Latin patella "pan, kneecap," diminutive of patina "pan" (see pan (n.)). So called from its shape. Related: Patellar; patelliform.
权威例句
1. The patella is triangular with its apes directed downward.
髌骨是一个夹端指向下的三角形骨.
2. Fractured tibia about five inches below the patella.
胫骨断裂位置大概在膝盖以下5英寸.
3. Trabecular metal patella in total knee arthroplasty with patella bone deficiency.
小梁金属是一种新材料,在全膝关节置换髌骨缺失中具有应用价值.
4. After serial examination and surgical an osteochondroma of th patella was proven.
经一连串之检查后,接受外科手术摘除骨肿瘤.病理报告为骨性软骨瘤病.
5. Which kinds does cancer have? Do have patella cancer?