1592952538000 1312632483000 term-2377 1616541360801 1312632486000 1616290363659 adlib fitz-online adlib-term-2377 99a02ee4-8bb6-355b-9017-bc0ec9fac89b 2 1 scope note Stage of adult life between young adulthood and old age; in humans, commonly defined as extending from 45 to 65. B.BM.BUE.AFU.BCW.ARI.AFU 1 code B.BM.BUE.AFU.BCW.ARI.AFU 1 middle age reference term-2378 adlib-term-2378 b9c1268b-4710-3096-8c85-2d9c4275ddad adulthood middle age term