单词 | rachischisis |
释义 | > as lemmasrachischisis rachischisis n. Brit. /reɪˈkɪskᵻsɪs/ , U.S. /reɪˈkɪskəsəs/ , /rəˈkɪskəsəs/ [ < rachi- comb. form + ancient Greek σχίσις cleavage ( < σχίζειν to split (see schism n.) + -σις -sis suffix)] Medicine defective closure of one or more vertebrae, usually involving the posterior part of the arch and often accompanied by myelocele; spina bifida.ΘΚΠ the world > health and disease > ill health > deformity > deformities of specific parts > [noun] > spina bifida spina bifida1722 rachischisis1874 myelocele1875 myelomeningocele1889 syringomyelocele1890 1874 Lancet 14 Feb. 233/2 The consequence is a permanent fissure of the whole cerebro-spinal canal with more or less destruction of the brain and spinal marrow (cranioschisis, rachischisis). 1963 K. M. Laurence in A. P. Norman Congenital Abnormalities in Infancy ii. 26 Myelomeningocoeles, myelocytocoeles, hydromyelocoeles, and syringomyelocoeles, localized rachischisis and myelocoeles are all essentially the same lesion, and best regarded as myelocoeles. 1998 Amer. Jrnl. Med. Genetics 77 306 We report on a fetus with anencephaly, total dorsal rachischisis, and diaphragmatic hernia. < as lemmas |
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