1 : a small anatomical cavity or deep narrow-mouthed depression especially : a small simple or slightly branched gland : crypt. 2 : a small lymph node. 3 : a vesicle in the mammalian ovary that contains a developing egg surrounded by a covering of cells : ovarian follicle especially : graafian follicle.
The answer is HIV. Hiv or human immunodeficiency is a virus that can weaken the body's immune system. Infection with HIV causes a life-threatening illness called AIDS also as immunodeficiency syndrome.
