biological phase climacteric phase http://purl.bioontology.org/ontology/MEDDRA/10009285 http://purl.bioontology.org/ontology/MESH/D002979 Physiologic period, characterized by endocrine, somatic, and psychic changes with the termination of ovarian function in the female. It may also accompany the normal diminution of sexual activity in the male. climacteric climacteric phases climacterium