24”×36” acrylic on canvas by Dr. Kathleen Sluka. This painting is of a cross section of a peripheral nerve with large touch fibers in blue and green and small pain fibers in reds and oranges. This the perfect present for your favorite neuroscientist, neurologist, or biologist.

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Description: This painting is a cross section of a nerve showing different sizes of nerve fibers. The largest ones are surrounded by myelin, shown here as black rings. The myelin serves as an insulator-the thicker the myelin the faster the nerve sends its signals. The largest nerve fibers, also called axons, send signals to our muscles to make them contract and move, and send signals from touch receptors so we can distinguish what we feel. The smallest, in red, orange and yellow, are thinly myelinated or unmyelinated and send pain signals to the spinal cord and brain. The unmyelinated axons congregate together in a Remak bundle.