| 单词 |
columellar |
| 释义 |
columellar, a.|kɒljuːˈmɛlə(r)| [ad. L. columellār-is pillar-shaped, f. columella little pillar: see prec. and -ar1. Cf. F. columellaire.] Of or belonging to a columella (q.v.). columellar lip: the inner lip of a spiral shell.
1829Young Lady's Bk. 100 The aperture [of a shell] is..of two lips; the columellar or inner lip and the outer lip opposite to its edge. 1854Woodward Mollusca ii. 165 Dr. Pfeiffer terms those teeth ‘parietal’ which are situated on the body-whirl, those on the outer lip ‘palatal’, and on the inner lip ‘columellar’. 1870Rolleston Anim. Life 48 The shell has been detached from the body to which it adhered mainly by means of the columellar muscles. |

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