ulna

n (pl -nae / -ni:; -ni/) (anatomy 解) inner and thinner of the two bones of the forearm inman; corresponding bone in an animal's foreleg or bird'swing 尺骨. =>illus at skeleton 见skeleton插图. Cf 参看 radius.

UDA, udder, UDI, UDR, UEFA, UFO (also ufo), ugh, ugli, ugliest, ugliness, ugly, ugly-looking, UHF, UHT, UK, ukulele, ulcer, ulcerate, ulceration, ulcerous, ulterior, ultimate, ultimately, ultimatum, ultimo, ultra violet, ultra-, ultramarine, ultrasonic, ultrasound, ultraviolet, ululate, ululation, Ulyanovsk, umber, umbilical, umbilical cord, umbilicus, umbra, umbrage,