Anatomical structure that performs a specific function or group of functions [WP].

Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.

CARO v1 does not include a generic 'organ' class, only simple and compound organ. CARO v2 may include organ, see https://github.com/obophenotype/caro/issues/4

uberon

anatomical unit, body organ, element

UBERON:0000062

http://purl.obolibrary.org/obo/uberon.owl, http://purl.obolibrary.org/obo/cl.owl

http://purl.obolibrary.org/obo/NCBITaxon_110815

• anatomical system

• animal organ development

• visceral serous membrane

• cortex

• organ part
• vasculature of organ