Absence of nodes.

(botany) A lump found on the roots of some plants, primarily legumes, that forms a symbiosis with nitrogen-fixing bacteria known as rhizobia, allowing the plant to obtain nitrogen directly from the atmosphere, which most plants cannot do.

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

(anatomy) Synonym of sinoatrial node.

Synonym of erythema nodosum

(anatomy) Abbreviation of sinoatrial node.

The quality or degree of being nodal.

plural of nodality

A surname from Spanish.

plural of Nodal