Ma'anar ƙamus na kalmar "CD4" ita ce kamar haka: A matsayin suna: A cikin immunology and medicine, "CD4 "yana nufin wani nau'in sunadaran da ake kira cluster of differentiation 4, wanda ke samuwa a saman wasu ƙwayoyin rigakafi da ake kira T-helper cells. CD4 yana aiki a matsayin mai karɓa wanda ke taimaka wa waɗannan sel su yi hulɗa tare da wasu ƙwayoyin cuta a cikin tsarin garkuwar jiki, kuma yana taka muhimmiyar rawa wajen daidaita tsarin rigakafi ga cututtuka da cututtuka irin su HIV/AIDS. Hakanan ana iya amfani da "CD4" azaman sifa don kwatanta wani abu da ke da alaƙa ko ya ƙunshi furotin CD4 ko CD4-positive rigakafi Kwayoyin. kamar su “CD4 count” wanda ke nufin adadin ƙwayoyin T-helper na CD4 masu kyau a cikin jinin mutum, galibi ana amfani da su azaman ma’aunin aikin garkuwar jiki da kuma amfani da su wajen kula da kamuwa da cutar kanjamau. /li>Don Allah a lura cewa ma'anar "CD4" na iya bambanta dangane da mahallin da aka yi amfani da shi, kuma yana da muhimmanci a koyaushe a yi la'akari da takamaiman filin ko yankin da ake amfani da kalmar a ciki. don fassara ma'anarsa daidai.