单词 | hyposternum |
释义 | > as lemmashypoˈsternum hyposternal adj. and n. Brit. /ˌhʌɪpə(ʊ)ˈstəːnl/ , U.S. /ˌhaɪpəˈstərn(ə)l/ , /ˌhaɪpoʊˈstərn(ə)l/ [Greek ὑπόστερνος : see sternum n.] Anatomy (a) adj. in hyposternal bone; (b) n. (St. Hilaire's name for) the hypoplastron of a chelonian; also called hypoˈsternum.ΘΚΠ the world > animals > reptiles > order Chelonia (turtles and tortoises) > [noun] > member of > parts of > shell or parts of shell1542 tortoiseshell1601 breastplate1698 plastron1831 hyposternal1835 neural plate1849 nuchal1864 hypoplastron1871 medullary plate1879 neural1888 neural bone1889 1835–6 Todd's Cycl. Anat. & Physiol. I. 284/1 Two posterior lateral pieces [termed] the hyposternals. 1854 R. Owen Struct. Skeleton & Teeth in Orr's Circle Sci.: Org. Nature I. 217 The junction between the hyo- and hypo-sternals admits of some yielding movement. < as lemmas |
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