myelodiastasis

my·e·lo·di·as·ta·sis

(mī'ĕ-lō-dī-as'tă-sis),
Softening and destruction of the spinal cord.
[myelo- + G. diastasis, separation]

myelodiastasis

[mī′əlōdī·as′təsis]
Etymology: Gk, myelos + diastasis, separation
disintegration and necrosis of the spinal cord.