The spiny lizards are medium to large lizards up to 10 inches long. They have keeled, pointed scales that are usually a subdued gray or tan, a wide purple stripe down the back and scattered turquoise scales mixed with tan and brown on the back and sides.he lizards grow out of their skins and usually shed in patches rather than in one piece like a snake. The spiny lizards eat insects, other lizards, and some plant material such as leaves, berries, and flowers. They are preyed upon by snakes, coyotes, and birds of prey.
Cells of nervous tissue. Nervous tissue is the main component of the two parts of the nervous system; the brain and spinal cord of the central nervous system (CNS), and the branching peripheral nerves of the peripheral nervous system (PNS), which regulates and controls bodily functions and activity.ells of nervous tissue. Nervous tissue is the main component of the two parts of the nervous system; the brain and spinal cord of the central nervous system (CNS), and the branching peripheral nerves of the peripheral nervous system (PNS), which regulates and controls bodily functions and activity.
neuroma telangiectoÂ´des one containing an excess of blood vessels. traumatic neuroma an unorganized bulbous or nodular mass of nerve fibers and Schwann cells produced by hyperplasia of nerve fibers and their supporting tissues after accidental or purposeful sectioning of the nerve.raumatic neuroma an unorganized bulbous or nodular mass of nerve fibers and Schwann cells produced by hyperplasia of nerve fibers and their supporting tissues after accidental or purposeful sectioning of the nerve.