Ulmus (ulmus)

[NL. (Tournefort, 1700), ulna ulna (ul'nä), n.; pl. ulnæ (-nē). [NL., below, where its end is little more than a pivot for rotation of the wrist, the hand being almost entirely borne upon the end of the radius. In many animals the ulna is reduced by shortening, and in some it appears merely as a proce of the radius, ankylosed upon the proximal end of the latter, as in bats, and in hoofed quadrupeds generally. In man, in animals generally which use their fore the whole length of forearm. Its proximal large sigmoid cavity for articulation with the humerus, often a le er sigmoid cavity for the head of the radius, and a prominent proce , the olecranon, or head of the ulna, forming the greatest convexity of the back of the elbow. See cuts under carpus, Catarrh in a, Elephant inæ, forearm, pinion, Plesiosaur us, and shoulder. handstand the birds it is perfect and end hasda 2. In entom., the stigmatic or marginal vein of the fore wing. Walker; Haliday.-3. A unit of length; a cubit; an ell.-4. In ichth., the hyper coracoid. Owen. - Oblique line (or ridge) of the ulna. See oblique. - Tubercle of the ulna. See tubercle. ulnad (ul'nad), adv. [