"Dendritic cell, SEM"

"Dendritic cell, SEM"

Deformed sperm cell, SEM

Artery SEM

Red blood cells, SEM

"Fat tissue, SEM"

Coloured SEM of uterus wall (early proliferation)

"Fat tissue, SEM"

Skin, SEM

Blood cells, SEM

Immature dog sperm, SEM

Immature dog sperm, SEM

Fertilization, illustration

Colorized SEM of two rod-shaped carbapenem-resistant Klebsiella pneumoniae (CRKP) bacteria (yellow) interacting with a human neutrophil white blood cell (green)

Fertilization, illustration

Damaged sperm, illustration

Damaged sperm, illustration

Deformed sperm cell. Coloured scanning electron micrograph (SEM) of a sperm cell with multiple tails. Magnification: x5000 when printed at 10 centimetres wide.

Colorized SEM of methicillin-resistant Staphylococcus aureus (MRSA) bacteria in the process of being phagocytized by a human neutrophil white blood cell

Colorized SEM of four spherical methicillin-resistant Staphylococcus aureus (MRSA) bacteria (purple) in the process of being phagocytized by a human neutrophil white blood cell (blue)

Colorized SEM of two spherical methicillin-resistant Staphylococcus aureus (MRSA) bacteria (yellow) in the process of being phagocytized by a human neutrophil white blood cell (blue)

Fertilisation, illustration

Fertilisation, illustration

Illustration of an egg cell and sperm.

Human cell, illustration

Human sperm, artwork

Human cell anatomy.

Human nerve cell, artwork

Human nerve cell, artwork

Human nerve cell, artwork

Human nerve cell, artwork

"Lymphoma cancer cell, SEM"

Bone cancer cell, SEM

Human nerve cell, artwork

Human nerve cell, artwork

Human nerve cell, artwork

Human sperm cell, SEM