medical root words. medical dictionary online. Many terms frequently used in science and medicine are derived from latin words. By combining the root words with, prefixes and suffixes many of the meanings of the terms can be deciphered. Use the following resources to better understand medical terms: Medical Roots or Stems.
How Chameleons Change Color. In addition to being responsive to light, chameleons change color when they are frightened and in response to temperature and other environmental changes. Hormones that affect special pigment-bearing cells in the skin cause the color change.
Identifying Things Other Than Mood. Apart from mood, a veiled chameleon's color can also communicate other types of things, including lighting and temperature. When they feel hot, they tend to darken in color.When they're in the cold, or in areas that are particularly dim, they usually lighten.s with many types of chameleons, veileds can change coloration. What color a veiled chameleon sports says a few things about his mood and well-being. Female veiled chameleons are usually markedly shorter than males, typically maturing to lengths of 10 to 14 inches. Males tend to grow to 17 to 24 inches.