node

[L. nodus, a knot.] i. knob, a circumscribed swelling, •£. A circumscribed ma of differentiated ti ue. 3. transverse partition, such as those occurring on the stems of gra es 4. knuckle, or finger-joint. a"trioveii,tric'ular n., auric"uloventric'ular n., a node of differentiated ti ue in the wall of the right atrium (auricle) near the mouth of the coronary sinus, from which starts the atrioventricular bundle. Bouchard's n., Haygarth's n., Heberden's n., etc., see the proper nouns, lymph n., lymph gland, lymphoglandula [BNA], one of the nodular aggregations of lymph ti ue interrupting the course of the lymphatic ve els, singers' nodes, singers nodules, vocal nodules, trachoma of the vocal bands, chord it is nodosa or tuberosa small circumscribed, bead-like enlargements on the vocal cords, caused by overuse or maluse of the voice in singing, especially high notes, sinoa'trial or sinoauric'ular n., a small node at the mouth of the superior vena cava, believed by some to represent the remains of the sinus venosus and to be the starting point of the heart's contraction.