amyelencephalic

amyelencephalic, a. Phys.

(əˌmaɪəlɛnsɪˈfælɪk)

[f. mod.L. amȳelencephalia absence of the brain and spinal cord (f. Gr. ἀµύελ-ος without marrow + ἐγκέϕαλ-ος brain) + -ic.]

Having the central nervous system wanting.

Huyden Dis. Heart 59.