MYELENCEPHALON My`e*len*ceph"a*lon, n. Etym: [NL., from Gr. encephalon.] (Anat.) (a) The brain and spinal cord; the cerebro-spinal axis; the neuron. Sometimes abbreviated to myelencephal. (b) The metencephalon. Huxley.
MYELENCEPHALOUS
My`e*len*ceph"a*lous, a. (Zoöl.)
Defn: Of or pertaining to the Myelencephala.
MYELIN My"e*lin, n. Etym: [Gr. (Physiol. Chem.) (a) A soft white substance constituting the medullary sheats of nerve fibers, and composed mainly of cholesterin, lecithin, cerebrin, albumin, and some fat. (b) One of a group of phosphorized principles occurring in nerve tissue, both in the brain and nerve fibers.
MYELITIS
My`e*li"tis, n. Etym: [NL., from Gr. -itis.] (Med.)
Defn: Inflammation of the spinal marrow or its membranes.
MYELOCOELE
My"e*lo*coele`, n. Etym: [Gr. (Anat.)
Defn: The central canal of the spinal cord.
MYELOGENIC
My`e*lo*gen"ic, a. Etym: [Gr. (Physiol.)
Defn: Derived from, or pertaining to, the bone marrow.