MYELOID
My"e*loid, a. Etym: [Gr. -oid.]

Defn: Resembling marrow in appearance or consistency; as, a myeloid tumor.

MYELOIDIN
My`e*loid"in, n. Etym: [Myelin + -oid + -in.] (Physiol. Chem.)

Defn: A substance, present in the protoplasm of the retinal epithelium cells, and resembling, if not identical with, the substance (myelin) forming the medullary sheaths of nerve fibers.

MYELON
My"e*lon, n. Etym: [NL., fr. Gr. (Anat.)

Defn: The spinal cord. (Sometimes abbrev. to myel.)

MYELONAL
My"e*lo`nal, a. (Anat.)

Defn: Of or pertaining to the myelon; as, the myelonal, or spinal, nerves.

MYELONEURA
My`e*lo*neu"ra, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Defn: The Vertebrata.