nodule

(nod’il) [L. nod’ulus little knot]. 1. A small bo or node. 2. The anterior segment of the inferior vermis of the cerebellum in the fourth ventricle. Albini’s n’'s, gray nodules of the size of sago-grains, sometimes seen on the free edges of the auriculoventricular valves of infants. They are remains of fetal structures. apple-jelly n’s, light reddish elevations on the surfaces of leprous ulcers. nm. of Arantius. Same as cor pus arantii. Aschoff's n’s, nodules in the myocardium in rheumatism. Bouchard’s n’s nodes sometimes seen on the joints of the fingers and toes in cases of gastrectasia. epicardial n’s, nodules over the ve els of the epicardium, probably due to high pre ure. Késter’s n., a tubercle composed of one giant-cell inclosed by a double layer of cells. lymph-n. See lymph-nodes, under node. Morgagni’sn’s, the bodies of Arantius. pearly., one of the nodules of bovine tuberculosis. pulp-n., a ma of dentin found in the pulp-cavity of a tooth. Called also pulp-stone. triticeous Rn. See corpus triticcum.