Microscopic Images from Inside of the Human Body

Red blood cells

They look like little cinnamon candies here, but they’re actually the most common type of blood cell in the human body – red blood cells (RBCs). These biconcave-shaped cells have the tall task of carrying oxygen to our entire body; in women there are about 4 to 5 million RBCs per microliter (cubic millimeter) of blood and about 5 to 6 million in men. People who live at higher altitudes have even more RBCs because of the low oxygen levels in their environment.

Split end of human hair

Regular trimmings to your hair and good conditioner should help to prevent this unsightly picture of a split end of a human hair.

Purkinje neurons

Of the 100 billion neurons in your brain, Purkinje neurons are some of the largest. Among other things, these cells are the masters of motor coordination in the cerebellar cortex. Toxic exposure such as alcohol and lithium, autoimmune diseases, genetic mutations including autism and neurodegenerative diseases can negatively affect human Purkinje cells.

Tongue with taste bud

This colour-enhanced image depicts a taste bud on the tongue. The human tongue has about 10,000 taste buds that are involved with detecting salty, sour, bitter, sweet and savoury taste perceptions.

Tooth plaque

Brush your teeth often because this is what the surface of a tooth with a form of “corn-on-the-cob” plaque looks like.

Blood clot

Remember that picture of the nice, uniform shapes of red blood cells you just looked at? Well, here’s what it looks like when those same cells get caught up in the sticky web of a blood clot. The cell in the middle is a white blood cell.

Alveoli in the lung

This is what a colour-enhanced image of the inner surface of your lung looks like. The hollow cavities are alveoli; this is where gas exchange occurs with the blood.

Lung cancer cells

This image of warped lung cancer cells is in stark contrast to the healthy lung in the previous picture.

Villi of small intestine

Villi in the small intestine increase the surface area of the gut, which helps in the absorption of food. Look closely and you’ll see some food stuck in one of the crevices.

Coloured image of a 6 day old human embryo implanting

And the cycle of life begins again: this 6 day old human embryo is beginning to implant into the endometrium, the lining of the uterus.

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