accessibility health services accessibility http://id.loc.gov/authorities/subjects/sh92006496 http://purl.bioontology.org/ontology/MESH/D006297 The degree to which individuals are inhibited or facilitated in their ability to gain entry to and to receive care and services from the health care system. Factors influencing this ability include geographic, architectural, transportational, and financial considerations, among others. access to care access to health care access to medical care accessibility of health services accessibility, health services availability of health services health care access