Dictionary.com
definitions

amyelia

[am-ahy-ee-lee-uh, -el-ee-uh, am-ee-]

noun Medicine/Medical.

congenital absence of the spinal cord.

Origin of amyelia

< New Latin < Greek amȳ́el(os) marrowless (see a-6, myel-) + -ia -ia
Related formsam·y·el·ic [am-ahy-el-ik, am-ee-] /ˌæm aɪˈɛl ɪk, ˌæm i-/, a·my·e·lous [uh-mahy-uh-luh s] /əˈmaɪ ə ləs/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
amyelia in Medicine

amyelia

[ā′mī-ē′lē-ə, ăm′ī-]

n.

Congenital absence of the spinal cord.
Related formsa′my•el′ic (-ĕl′ĭk, -ē′lĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.