B lymphocyte activation shown as stepwise immune response, B cell binds antigen, receives T helper signals, differentiates to plasma cell producing antibodies. Outline diagram Hoodie #847755764
This timeless hoodie is a must-have in any wardrobe. It features a pre-shrunk fleece knit, an air jet yarn to provide a softer feel and reduce pilling, a double-lined hood with a color-matched drawcord, and a large pouch pocket. This solid-colored hoodie is made of 50% pre-shrunk cotton and 50% polyester.