Mytacism

(mit'-as-izm). See Mutacism . Vlytilotoxin (tnit-il-o-toks'-in). A poisonous ptomain that has been prepared from the common mu el; it is similar to curara. See Ichthys mus , and Ptomains, Table of. Vlytilus (mif -il-us). Mu el, a lamellibranch i ate mollusc. M. edulis, the edible mu el. Under certain conditions, mu els are very poisonous, either because of some change in their juices, induced by modification of their environment, or because a poisonous species is mixed with a nonpoisonous one. Edible mu els become poisonous in filthv water, while poisonous ones are deprived of their toxicity after a prolonged sojourn in good water. lytome (nii'-tom). See Chromatin and lyurous i mi-u'-rits. Tapering like the tail of the mouse; a qualification applied to the pulse when it is progre ively growing feeble. lyxa jivi-a, mucus. Mucus. lyxadenitis (miks-ad-en-i' '-tis). Inflammation of a mucous gland. lyxadenoma (mihsad -en -(/-mah). Synonym of Myxo adenoma. lyxangitis (miks-an-ji'-tis), Inflammation of the duct of a mucous gland. jivl-a, mucus; oldijua, edema. Adult Sporadic Cretinism; Pachydermic i Cachexia: Cachexia strumipriva; a disease characterized by the collection of a mucus-like substance in and about the connective ti ue of the body, and by atrophy of the thyroid gland. There is a characteristic cretinoid physiognomy; the body is bulky and unwieldy; the skin dry, scaly, and thickened. ch is slow, monotonous, and guttural; there is marked intellectual torpor, and insanity is likely to develop. The disease is a chronic one, and the tendency is from bad to worse; it is more common in women than in men, and usually occurs between the ages of thirty and sixty -five. Nothing is known positively as to the etiology. It is sometimes induced by surgical interference with or by ablation of the gland. A similar state has been produced in animals by extirpation of the thyroid gland. orovement, and, in some cases, cure has been achieved c administration of sheep's thyroids the therapeuti oy extracts, their /xedematoid (miks-e-def -mat-oid). Resembling myxedema, vxedematous.