ID 015394416730 © Juangaertner | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
accessory adaptive antigen blood bone cancer cell cells class complex cytotoxic defense dendritic disease helper histocompatibility human illness immune immunity immunization innate interferon killer lymphocyte major malignant marrow medicine metastasis mhc migrating natural presentation presenting prevention receptor stimulation system therapy white