Anat. Pl. valvulæ. [med. or mod.L., dim. of valva VALVE sb. Cf. L. valvolæ pod of legumes.] A valve or valvule.
Usually with Latin qualifying term, as valvula coli, valvulæ conniventes.
1615. H. Crooke, Body of Man (1631), 853. Some men had rather call them [sc. valves in the veins of the joints] Ostiolæ than Valuulæ.
1653. More, Antid. Ath., II. xii. § 6. You may add to these the notable contrivance of the Heart, its two Ventricles and its many Valvulae.
1832. [see VALVE sb.1 3 b].
1859. Todds Cycl. Anat., V. 346/2. Opposite the attached border of the valvula, this layer is somewhat thick.