Human Scalp hair
click on pictures to see them larger

The scalp hairs shown here are actually black but the inherently translucent nature of hairs causes them to appear to be brown. Note that at such high mangifications the depth of field in a light microscope is not enough to bring the entire hair into sharp focus at once.

click to see larger  -  Human scalp hair 400X click to see larger  -  Human scalp hair 400X
click to see larger  -  Human scalp hair 400X

Usually you would try to avoid bubbles in a "wet" preperation. In this case, however, it adds an interesting effect! The scaly nature of the outer layer of the hair is seen much more clearly underneath the bubble which acts as a lens. Such "happy accidents" are not unheard of among experienced microscopists, but bubbles more often turn up in the worst possible places!

Note that the magnification given refers to optical magnification of the microscope, not the actual size of images on the screen.

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