单词 | metapodium |
释义 | metapodiumn.α. 1800s– metapodium. β. 1800s– metapode Brit. /ˈmɛtəpəʊd/, U.S. /ˈmɛdəˌpoʊd/. 1. Anatomy and Zoology. Originally: the metatarsus. Later also: the metatarsus or metacarpus (cf. metapodial adj. and n.); (occasionally) a metapodial bone. ΘΚΠ the world > life > the body > structural parts > bone or bones > bones of hand or foot > bones of foot > [noun] navicular?a1425 metatarsus?c1425 heel bone1516 astragalus?1541 bonket1552 cube-bone1615 die-bone1634 os calcis1634 foot bone1658 tarsus1676 pterna1684 talus1684 navicular bone1696 astragal1728 calcaneum1728 cuboid bone1829 cuboid1836 metatarsal1837 metapodium1844 tarso-metatarsal1851 arch1858 intermedium1878 tarsal1881 the world > life > the body > external parts of body > limb > extremities > hand > [noun] > metacarpus comb1398 metacarpus?a1425 metacarpion1598 metacarp1683 metapodium1844 1820 R. Hooper Lexicon-medicum (ed. 4) 556/2 Metapedium, the metatarsus.] 1844 R. Dunglison Dict. Med. Sci. (ed. 4) 461/2 Metapodium. 1873 Proc. Royal Soc. 1872–3 21 156 The most typical representative is the Chœrotherium from Sansans, with the phalangeal ridges not yet extending over the whole distal end of the metapodium. 1882 Philos. Trans. (Royal Soc.) 173 1057 The relative smallness of the fore limb in Hypsilophodon [is] shown for the manus by the lengths of the metapodia and phalanges already given. 1907 Science 18 Jan. 111/2 In all some twenty bits were found, as follows:..three complete vertebræ, two metapodes and a phalanx. 1933 Acta Zoologica 14 207 This piece [sc. the intermedium] is formed as a branch of the metapodium. 1966 Proc. National Acad. Sci. U.S.A. 56 1414 The following bones were found: one tusk, one spinal vertebra, one metapode, three dorsal vertebrae, [etc.]. 1971 Folia Morphologica (Prague) 19 154 (title) Morphogenesis of the pelvic limb metapodium of the sheep..and the goat. 1993 Current Anthropol. 34 303/2 Such microlesions..have been observed in the metapodia of racehorses that have undergone highly intensive training. 2. Zoology. The posterior lobe of the foot in certain molluscs. ΚΠ 1853 T. H. Huxley in Philos. Trans. (Royal Soc.) 143 36 The tail or metapodium is subcylindrical at its base. 1870 H. A. Nicholson Man. Zool. I. xlvii. 259 In the Heteropoda..the foot exhibits a division into three portions—an anterior, the ‘propodium’; a middle, the ‘mesopodium’; and a posterior lobe, or ‘metapodium’. 1890 Webster's Internat. Dict. Eng. Lang. Metapode. 1988 Philos. Trans. (Royal Soc.) B. 319 60 In Gorgoleptis the foot is shorter as indicated by the length of the pedal shell muscles... At their posterior ends, at the level of the origin of the metapodium, some median fibres from each shell muscle pass ventromedially. 1991 Marine Ecol. Progress Ser. 72 247 The gastropods can play an active role in their dispersal by raising the metapodium..until most of the sole's surface no longer contacts the substratum. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1844 |
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