Nerve bundle cross section:  Axons (orange) are wrapped in myelin (purple)

A cross section of a bundle of nerve fibers. Axons (orange) are wrapped in myelin (purple); an extension of the membrane of glial cells. Myelin has high lipid content, and acts to insulate the axons, causing them to transmit nerve impulses much faster.

Human skin outermost layer

Science Image of Human skin outermost layer. from PS MicroGraphs. Specialists in Science Images.

Melanoma Cell; ion-abrasion SEM. Here, the nucleus is the dark sphere, engulfed by mitochondria (in pink) and endoplasmic reticulum (in gold).

[A melanoma cell viewed with imaging with Ion-Abrasion SEM. Credit : Donald Bliss and Sriram Subramaniam, National Library of Medicine, NIH]

Leukaemia blood cells. SEM of red blood cells (orange) and B lymphocyte white blood cells (white) from a patient with acute lymphoblastic leukaemia

SEM of red blood cells (orange) and B lymphocyte white blood cells (white) from a patient with acute lymphoblastic leukaemia

breast cancer cells! Why are they my favorite colors! Not liking this at all!

breast cancer cells - I hate you

HeLa cancer cell dividing

Women in Science

The immortal HeLa (Henrietta Lacks) cells dividing. The Immortal Life of Henrietta Lacks is such an profound book !

small cancerous lung tumor

small cancerous lung tumor, I would just like to add that I don't mind the sales of cigarrettes, this is what people risk. The smarter generation shall live on, we don't have enough room on this floating rock to keep everyone.

Bone cancer cell. Coloured scanning electron micrograph of a fibrosarcoma (fibroblastic sarcoma) cell, showing the numerous filopodia (hair-like) covering its surface

Nasty but interesting surface! Coloured scanning electron micrograph of a fibrosarcoma (fibroblastic sarcoma) cell, showing the numerous filopodia (hair-like) covering its surface

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