alveolus
/ælˈvɪələs/noun
(pl. alveoli /-laɪ/)
1- chiefly Anatomy a small cavity, pit, or hollow, in particular【主剖】小窝, 凹部, 尤指：
1.1
- any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange肺泡。
1.2
- the bony socket for the root of a tooth牙槽。
1.3
- an acinus in a gland腺泡。
派生词
alveolate
/ælˈvɪəlɪt/ adjective词源
late 17th cent.: from Latin， 'small cavity'， diminutive of alveus.