| lyra | 1. <astronomy> A northern constellation, the Harp, containing a white star of the first magnitude, called Alpha Lyrae, or Vega. 2. <anatomy> The middle portion of the ventral surface of the fornix of the brain; so called from the arrangement of the lines with which it is marked in the human brain. Origin: L. Lyra, Gr. See Lyre. Source: Websters Dictionary (01 Mar 1998) |
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| lyra uterina | The two longitudinal ridges, anterior and posterior, in the mucous membrane lining the cervix uteri, from which numerous secondary folds, or rugae, branch off. Synonym: plicae palmatae, arbor vitae uteri, lyra uterina. (05 Mar 2000) |