So concha literally meaning shell, and it is a sweetened bread that has that shell like decorative topping.

所以 concha 字面意思是贝壳，它是一种甜面包，有贝壳状的外层。

Cartilage from the tragus, perichondrium from the tragus or concha, and fat from the lobule are frequently used for reconstructive surgery of the middle ear.

耳屏的软骨、耳屏或耳甲的软骨膜和小叶的脂肪经常用于中耳重建手术。

External Acoustic (Auditory) Canal It extends from the bottom of the concha to the tympanic membrane and measures about 24 mm along its posterior wall.

外耳道从外耳门向内延伸至鼓膜，长度约 24 毫米。