Activated platelets, SEM
Activated platelet, SEM
White blood cells and platelets, SEM
Antigen presentation, SEM
White blood cell antigen presentation
Mature platelet, SEM
Heliozoan, SEM
Metastasis of a cancerous cell, SEM
Bone marrow stem cell on cartilage, SEM
Acanthocystis, SEM
Platelets, SEM
Amoeba protozoa, SEM
Activated macrophage, SEM
Activated granulocyte, SEM
Activated granulocytes, SEM
Macrophage and platelets, SEM
Red blood cells and platelets, SEM
Pluripotent stem cell, SEM
Proteus amoeba, light micrograph
Amoeba proteus, light micrograph
Macrophage, SEM
Phagocytosis, SEM
Platelet, SEM
Human blood cells, SEM
Blood cells, SEM
White blood cells, SEM
Bone marrow, SEM
Macrophage engulfing bacteria, SEM
T-lymphocyte, SEM
Stem cell, SEM
Lymphocyte white blood cell, SEM
Monocyte white blood cell, SEM
Lymphoblast white blood cell, SEM
Lymphoblast white blood cells, SEM
Shigella bacterium and macrophage, SEM
Microglial white blood cell, SEM
Microglial white blood cells, SEM
Lymphocyte white blood cells, SEM
Macrophage engulfing TB bacteria, SEM
Red and white blood cells in a vein. SEM
Fish red blood cell, SEM
Protein activation
Monocyte white blood cells, SEM
Blood cells
Dendritic cell, SEM
Alveolar macrophages, SEM
Blood clot, SEM
Stem cells, SEM
Bone cancer cells, SEM
Neutrophil cell trapping bacteria, SEM
Neutrophil cell and bacteria, SEM
Lymphocyte attacking cancer cell, SEM
Megakaryocyte, SEM
Fat cells, SEM
Fat cell, SEM
Crenated red blood cells, SEM
White blood cell enzyme
Lymphocyte, SEM
Red and white blood cells, SEM
Amoeba protozoan, light micrograph
Red blood cells, T lymphocytes and activated platelets, SEM
Red blood cells, T lymphocyte and activated platelets, SEM
Amoeba proteus Protozoan with pseudopods
Entamoeba histolytica trophozoite, light micrograph
Red and white blood cells, arteriole
Granulocytes, SEM
Macrophages, SEM
T lymphocytes, SEM
T lymphocyte, SEM
Staphylococcus aureus bacteria, SEM
Sleeping sickness parasite, SEM
Sleeping sickness parasites, SEM
Neutrophil engulfing MRSA, SEM