Northwest Community Healthcare Browse A-ZABCDEFGHIJKLMNOPQRSTUVWXYZ0-9 Alopecia totalis - back view of the headBackAlopecia totalis - back view of the headHair loss is referred to as alopecia. Patchy hair loss on the scalp is called alopecia areata. Complete scalp hair loss is alopecia totalis. Loss of all body hair is called alopecia universalis.A.D.A.M. content is best viewed in IE9 or above, Firefox and Google Chrome browser.Content is best viewed in IE9 or above, Firefox and Google Chrome browser.