myelomalacia /my·elo·ma·la·cia/ (mi″ĕ-lo-mah-la´shah) morbid softening of the spinal cord.
myelomalacia
my·e·lo·ma·la·cia (m   -l -m-l  sh)n. Softening of the spinal cord. |
myelomalacia
[mī′əlōməlā′shə]
Etymology: Gk, myelos + malakia, softening
an abnormal softening of the spinal cord, caused primarily by inadequate blood supply.
myelomalacia
morbid softening (necrosis) of spinal cord. It is not commonly recorded as an entity separate from encephalomalacia. Poisonings by Phalaris tuberosa in sheep and sorghum in horses are two examples. There is a gradual onset of paresis or paralysis.
progressive hemorrhagic myelomalacia
a progressive, ascending and descending, intramedullary hemorrhage of the spinal cord that sometimes follows trauma; the result of ischemic and hemorrhagic infarction of the parenchyma, but not nerve roots in the leptomeninges. Called also hematomyelia.
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