Defn: The teledu.
MYDRIASIS
My*dri"a*sis, n. Etym: [L., fr. Gr. (Physiol. & Med.)
Defn: A long-continued or excessive dilatation of the pupil of the eye.
MYDRIATIC
Myd`ri*at"ic, a.
Defn: Causing dilatation of the pupil.
— n.
Defn: A mydriatic medicine or agent, as belladonna.
MYELENCEPHALA
My`e*len*ceph"a*la, n. pl. Etym: [NL. See Myelencephalon.] (Zoöl.)
Defn: Same as Vertebrata.
MYELENCEPHALIC
My`e*len`ce*phal"ic, a. (Anat.)
Defn: Of or pertaining to the myelencephalon; cerebro-spinal.