The XO Directory

This images are extraordinary electron micrograph images taken using electrons to illuminate a specimen and create an enlarged picture of it

A section through human skin. The skin layers, from top to bottom, are the stratum corneum, composed of flattened, dead skin cells that form the surface of the skin. The dead cells from this layer are continuously being shed and replaced by cells from the living epidermal layer below (red). The lowest layer seen here is the dermis. In the middle, a sweat gland can be seen.

A Microfilariae (larval worms) of a parasitic nematode roundworm being attacked by cells of the immune system. Numerous nematodes cause disease in humans, living as parasites of the intestines, blood, lymph, subcutaneous & connective tissues.

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