单词	metacarpal
释义	metacarpal /ˌmɛtəˈkɑːp(ə)l / noun 1Any of the five bones of the hand.There are eight carpal bones in the wrist, five metacarpals, and 14 nonsesamoid bones that comprise the phalanges.... The needle enters just proximal to the first metacarpal on the extensor surface. Radiographs showed no fracture of the wrist, metacarpals or other bones. 1.1Any of the bones in an animal’s forelimb equivalent to the metacarpals.This specimen consists of a nearly complete tail, the right forelimb complete through the metacarpals, both sternal plates, and both ischia.... ‘His eye was caught by a particular bone - a metacarpal, the equivalent to one of the long bones in the palm of the hand,’ said John Smith, the curator of geology at the Museum of Science. Previously, Tate had referred Coelops species to the subfamily Coelopinae on the basis of characters of the tail, pinna, noseleaf, metacarpals, and four craniodental features. adjective Relating to the metacarpals.At the wrist, branches of the radial artery include the dorsal carpal and first dorsal metacarpal arteries.... A small separate slip may extend from the pisiform bone to a metacarpal bone, forming the pisimetacarpeus muscle. The tendons may be attached to the second and third metacarpal bones.
随便看	insulator insulin insulin dependency insulin-dependent insulin resistance insulin shock insulitis insult insulter insulting insultingly insult someone's intelligence in sum in summary in sunder insuperability insuperable insuperably insupportable insupportably insurability insurable insurance insurance agent insurance broker

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。