ligule

Lig"ule, n. Etym: [L.ligula, little tongue, dim of lingua tongue : cf. F. ligule.] 1. (Bot.) (a) The thin and scarious projection from the upper end of the sheath of leaf of grass. (b) A strap-shaped corolla of flowers of Compositæ. 2. (Anat.) Defn: A band of white matter in the wall of fourth ventricle of the brain.

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