macrophages

B-Lymphocytes The majority of mature B cells develop into plasma cells upon activation, whose task is to produce antibodies against foreign substances. Antibodies are Y-shaped proteins that can bind to very specific structures, so-called antigens. These are mostly proteins, but often also sugars (carbohydrates) or lipids (fatty molecules). The antibodies are also called immunoglobulins and … B-Lymphocytes | Lymphocytes – You should definitely know this!

Natural killer cells Natural killer cells or NK cells fulfill a similar role as the T-killer cells, but unlike the other lymphocytes, they do not belong to the adaptive but to the innate immune system. This means they are permanently functional without having to be activated beforehand. However, their reaction is difficult to regulate. Nevertheless, … Natural killer cells | Lymphocytes – You should definitely know this!