单词 | alveolus |
释义 | alveolus /al vee"euh leuhs/, n. , pl. alveoli /-luy'/. 1. a little cavity, pit, or cell, as a cell of a honeycomb. 2. an air cell of the lungs, formed by the terminal dilation of tiny air passageways. 3. one of the terminal secretory units of a racemose gland. 4. the socket within the jawbone in which the root or roots of a tooth are set. [1700-10; < L, equiv. to alve(us) concave vessel + -olus -OLE1] |
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