Human lymphocyte white blood cell. SEM
Monocyte white blood cell. SEM
Red blood cell
Red Blood Cells SEM
Red and white blood cells, arteriole
Section through a lymph node
Lymphocyte white blood cell, SEM
Phagocyte or macrophage
Vein with white blood cells. SEM
Human sperm SEM X2250
Mature blood cells in the venous sinus
Human T lymphocyte, SEM
T lymphocyte, SEM
Lymphocyte, SEM
Red blood cells, T lymphocyte and activated platelets, SEM
Red blood cells or erythrocytes in a vein
Lymphocyte white blood cells. SEM
Alveolus and macrophage. SEM
Arabidops thaliana leaf surface stomates
Red blood cells, T lymphocytes and activated platelets, SEM
Morning Glory pollen grain
Lymphocyte white blood cell, TEM
Resting T lymphocytes, SEM
Resting T lymphocyte, SEM
Skeletal bone showing Haversian canals
Capillary section with red blood cells.
The mucosa of the urinary bladder
Distal end of the seminal vesicle
Macrophage and lymphocytes, TEM
Thymus gland, light micrograph
Thymus, light micrograph
Jasmine leaf surface (Jasminum floridum)
T-lymphocyte, SEM
Stratified squamous epithelium, vagina
Highly flattened cells, SEM
Pine Pollen. SEM
Regulatory T cells, SEM
Red blood cells, T lymphocyte, platelets, SEM
Stigma of Penta lanceolata. SEM
Helper T cell and B cell, SEM
Human red blood cells, T lymphocyte and platelets, SEM
Red blood cells, T lymphocyte and platelets, SEM
Blood clot, SEM
Alveolar macrophage in a lung alveolus
Lymphocyte white blood cells, SEM
Lymphocyte attacking cancer cell, SEM
White blood cell, SEM
Crenated red blood cells, SEM
Microglial white blood cell, SEM
Microglial white blood cells, SEM
Alveolar macrophages, SEM
Human testis tubule filled with sperm
Platelet, TEM
Early clot formation, TEM
Kidney cortex
Monocyte white blood cell and platelet
The folded mucosal epithelial surface
Ragweed Pollen. SEM
Bacteria and yeast, SEM
Black Walnut (Juglans nigra)
Trichomes on a Snapdragon flower petal
White blood cells and a platelet, SEM
T lymphocytes, SEM
Jurkat cells, SEM
Jurkat cell, SEM
Resting T Lymphocytes, SEM
Human natural killer cell, SEM
Blood cells, SEM
Budding Yeast SEM
Section of a lung, SEM
Activated macrophage, SEM
Spleen, light micrograph
Activated T lymphocyte, SEM
(Bacillus megaterium) Bacteria
Micrococcus luteus Bacteria. SEM
Dendritic cell, SEM
Red blood cells, T lymphocytes, platelets, SEM
Red blood cells, SEM
Macrophage engulfing bacteria, SEM
Phagocytosis, SEM
A distributing artery
Resting T lymphocytes
Euglena flagellate Protozoa
Heart tissue, SEM
Blood-filled foetal aorta, SEM
Ruptured venule, SEM
B lymphocytes in the colon, light micrograph
T lymphocytes in the colon, light micrograph
Blood monocyte, SEM
Blood monocyte and phagocytosis of RBC, SEM
Red blood cells, white blood cell and platelets, SEM
Wall of the vagina showing lumen
T lymphocyte white blood cell, SEM
T lymphocyte white blood cells, SEM
Lymph node medulla, light micrograph