2. (Physiol. Chem.) An albuminoid substance which is contained in
mucus, and gives to the latter secretion its peculiar ropy character.
It is found in all the secretions from mucous glands, and also between
the fibers of connective tissue, as in tendons. See Illust. of
Demilune.
Mu*cin"o*gen (m*sn"*jn), n. [Mucin + -gen.] (Physiol.) Same as Mucigen.
Mu*cip"a*rous (m*s"p*rs), a. [Mucus + L. parere to produce.] (Physiol.)
Secreting, or producing, mucus or mucin.
Mu"ci*vore (m"s*vr), n. [L. mucus slime, mucus + vorare to devour.]
(Zoöl.) An insect which feeds on mucus, or the sap of plants, as
certain Diptera, of the tribe Mucivora.
Muck (mk), abbreviation of Amuck.
To run a muck. See Amuck.
Muck, n. [Icel. myki; akin to D. mög. Cf. Midden.] 1. Dung in a moist
state; manure. Bacon.
2. Vegetable mold mixed with earth, as found in low, damp places and
swamps.