Lead

(led). See Plumbum . L., Black. See Graphite . L.-colic. See Colic . L.encephalopathy, a morbid condition of the brain due to chronic lead-poisoning. L.-line, blue line; the line of discoloration on the gums in cases of chronic lead poisoning. L. -pipe Contraction, Weir for the marked resistance encountered attempting term to flex the legs in cases of spastic paraplegia of infants, the resistance gradually yielding as the effort to flex is maintained; also the condition of the limbs in the cataleptic state in which they maintain any position that is given them. L.-pipe Paralysis. Same as L.-pipe Contraction. L. -poisoning, plumbism; saturnism; painters' colic; lead-palsy; systemic poisoning. It is due to the introduction of lead into the system. The symptoms are disturbed nutrition, anemia, the gingival line, lead-colic, constipation, pains in the limbs, local muscular paralysis (wrist-drop) and wasting, saturnine encephalopathy, etc. The treatment consists in stopping ingre of lead to the system, its elimination by iodid of pota ium, aperients, particularly the sulphates, etc. L., Sugar of. See Plumbi acetas. L., Vinegar of, liquor plumb i sub a cet at is, q.v. Also applied to alkaline solutions of basic lead salts. L., White, basic lead L., Pattison's White, the oxy chlorid of lead; it is used as a paint.