Defn: The protoplasmic matter of which bacteria are composed.

MYCOSE
My"cose, n. Etym: [Gr. (Chem.)

Defn: A variety of sugar, isomeric with sucrose and obtained from certain lichens and fungi. Called also trehalose. [Written also mykose.]

MYCOTHRIX
Myc"o*thrix, n. Etym: [NL., fr. Gr. (spurious) mucus) + (Biol.)

Defn: The chain of micrococci formed by the division of the micrococci in multiplication.

MYDALEINE
My*da"le*ine, n. Etym: [Gr. (Physiol. Chem.)

Defn: A toxic alkaloid (ptomaine) obtained from putrid flesh and from herring brines. As a poison it is said to execute profuse diarrhoea, vomiting, and intestinal inflammation. Brieger.

MYDATOXIN
Myd`a*tox"in, n. Etym: [Gr. toxic + in.] (Physiol. Chem.)

Defn: A poisonous amido acid, C6H13NO2, separated by Brieger from decaying horseflesh. In physiological action, it is similar to curare.

MYDAUS
Myd"a*us, n. Etym: [NL., fr. Gr. (Zoöl.)