plural of sinus node

(anatomy) Synonym of sinoatrial node.

(anatomy) A group of cells located in the wall of the right atrium of the heart that originates the impulses stimulating the heartbeat.

plural of sinoatrial node

(botany) Alternative form of leaf node

(botany) One of the spots upon a stem where buds and intercalary meristems occur, usually marking the end of a season's growth. / (computing theory) A node, in a tree, that has no children.

Abbreviation of sinoatrial node.

(astronomy) The intersection of an orbiting object's orbital plane with the plane of reference.

plural of node of Ranvier

plural of anti-node