| myelospongium | The fibrocellular meshwork in the spinal cord of the embryo, from which the neuroglia is developed. Origin: myelo-+ G. Spongos, sponge (05 Mar 2000) |
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| myelosuppression | <haematology, oncology> The suppression of bone marrow activity, resulting in reduction in the number of platelets, red cells and white cells found in the circulation. (18 Nov 1997) |
| myelosyphilis | See Tabes dorsalis. (12 Dec 1998) |
| myelosyringosis | <radiology> Syrinx, congenital: 90% associated with Arnold-Chiari, acquired: trauma, tumour, infection, haemorrhage, syringomyelia dissection of cerebrospinal fluid within cord no ependymal lining, hydromyelia dilatation of central canal lined by ependyma associated with, myelomeningocele, Arnold-Chiari malformation, Dandy-Walker cyst, Klippel-Feil syndrome, neuropathic joint (most common cause in upper extremity) (12 Dec 1998) |
| myelotome | An instrument used in making serial sections of the spinal cord or for incising the spinal cord. Origin: myelo-+ G. Tomos, cutting (05 Mar 2000) |
| myelotomography | Tomography of the spinal subarachnoid space opacified with contrast medium; an obsolete procedure. (05 Mar 2000) |
| myelotomy | Incision of the spinal cord. Origin: myelo-+ G. Tome, incision (05 Mar 2000) |
| myelotoxic | 1. <pharmacology> Toxicity or destruction of the bone marrow. 2. <haematology> Arising from diseased bone marrow. Origin: Gr. Toxikon = poison (18 Nov 1997) |