单词 | myelomeningocele |
释义 | myelomeningocelen. Medicine. Spina bifida in which the tissue of the spinal cord and its surrounding membranes (the meninges) protrudes through the cleft in the spine, forming a rounded swelling of the skin usually slightly above the base of the spine; the tissue so protruding. Also called meningomyelocele. Cf. myelocele n. 1. ΘΚΠ the world > health and disease > ill health > deformity > deformities of specific parts > [noun] > spina bifida spina bifida1722 rachischisis1874 myelocele1875 myelomeningocele1889 syringomyelocele1890 1889 A. H. Buck Ref. Handbk. Med. Sci. VIII. 471/2 In myelomeningocele the external wall of the sac consists not of dura mater but of pia mater turned inside out. 1963 Cecil-Loeb Textbk. Med. (ed. 11) 1581/1 Myelomeningocele is characterized by an incorporation of the spinal nerve roots and cord in the sac of a meningocele. 1974 R. Passmore & J. S. Robson Compan. Med. Stud. III. xxxvi. 9/2 There may be a developmental failure of the spinal cord and then the flat neural plate with its exposed central canal is liable to be involved with the sac and form a myelomeningocoele. 1987 D. J. Weatherall et al. Oxf. Textbk. Med. (ed. 2) II. xvi. 59/2 They [sc. Charcot's joints] may also occur in association with paraplegia, Charcot-Marie-Tooth disease, myelomeningocele, and leprosy. This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022). < n.1889 |
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