Source:http://linkedlifedata.com/resource/umls/id/C0042606
UWDA: Anatomical cavity that connects an organ cavity, organ cavity subdivision or cavity of body part subdivision to the exterior, completely or partially surrounded by organs or organ parts that are lined by epithelium. Examples: preputial cavity, vestibule of vagina.,FMA: Anatomical cavity that connects an organ cavity, organ cavity subdivision or cavity of body part subdivision to the exterior, completely or partially surrounded by organs or organ parts that are lined by epithelium. Examples: preputial cavity, vestibule of vagina.