alveolus [alˈvɪələs, ˌalvɪˈəʊləs] (pl. alveoli -lʌɪ, -liː)
(chiefly Anatomy)a small cavity, pit, or hollow, in particular (主剖)小窝,凹部,尤指 ■any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange 肺泡,小泡 ■the bony socket for the root of a tooth 牙槽 ■an acinus in a gland 腺泡
派生 alveolate [alˈvɪələt] adjective 语源
late 17th cent.: from Latin, small cavity', diminutive of alveus