a. Anat. [f. THEN-AR + -AL.] Of or pertaining to the thenar.
1803. Barclay, New Anat. Nomencl., 125. We may use the terms Radial and Ulnar to signify the two lateral parts…. To the other two sides we may give the epithets Anconal and Thenal. Ibid. (1808), Muscular Motions, 398. Being thenal flexors of the carpus.
1823. J. Lizars, Syst. Anat. Plates, I. v. 94. The muscles on the palmar or thenal aspect.
