a. Anat. [ad. mod.L. sūrālis (cf. F. sural, It. surale, Sp. sural), f. sūra calf of the leg.] Of or pertaining to the calf of the leg; esp. in sural artery, vein.
1615. Crooke, Body of Man, 734. The Surall vaine is disseminated into the muscles of the Sura or calfe.
1672. Wiseman, Wounds, iv. 40. Wounded by a puncture in the Inside of the calf of his leg into the Surall Artery.
1840. G. V. Ellis, Anat., 674. The lower or sural branches three or four in number.
1878. A. M. Hamilton, Nervous Dis., 259. The case of a ballet-dancer in which the sural muscles were affected.
1899. Allbutts Syst. Med., VIII. 59. Spasm of the sural muscles.