auricle

名词 auricle:

1. a small conical pouch projecting from the upper anterior part of each atrium of the heart
   同义词：atrial auricle, auricula atrii
2. the externally visible cartilaginous structure of the external ear
   同义词：pinna, ear

au.ri.cle

n.（名词）
Anatomy
【解剖学】
The outer projecting portion of the ear.Also called pinna
心耳：耳朵的外部突出部分也作 pinna
See atrium
参见 atrium
Biology An earlobe-shaped part, process, or appendage, especially at the base of an organ.
【生物学】 耳状突起：一个耳垂状的部分、突起或附肢，尤指生于器官根部

来源：
Middle English [auricle of the heart]
中古英语 [心耳，心室]
from Old French [little ear]
源自 古法语 [小耳]
from Latin auricula [ear] [from diminutive of] auris * see ous-
源自 拉丁语 auricula [耳，耳朵] [] 源自auris的小后缀 *参见 ous-

【引伸】
au.ricled