2) AV node. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...See atrioventricular node. a(trio)v(entricular) node....

3) sinoatrial node. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...at regular intervals the electric impulses of the heartbeat. Also called sinoauricular node, sinus node....

4) S-A node. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...The sinoatrial node....

5) sinoauricular node. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...See sinoatrial node....

6) sinus node. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...See sinoatrial node....

7) lymph node. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...groin, that filter bacteria and foreign particles from lymph fluid. During infection, lymph nodes may become swollen with activated lymphocytes. Also called lymph...

8) adenitis. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Inflammation of a lymph node or gland....

9) node. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Botany The point on a stem where a leaf is attached or has been attached; a joint. b. See knot1 (sense 7). 3. Physics A point or region of virtually zero amplitude...

10) node of Ranvier. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Inflected forms: pl. nodes of Ranvier A constriction in the myelin sheath, occurring at varying intervals along the length of a nerve fiber. After Louis Antoine Ranvier...