Authenticated (25/03/08) by Rick West.
http://www.birdspiders.com
Carapace: In arachnids, the shield that covers the fused head and thorax (the part of the body located near the head) also known as ‘cephalothorax'.
Femur: Upper leg.
Genus: A category used in taxonomy, which is below ‘family' and above ‘species'. A genus tends to contain species that have characteristics in common. The genus forms the first part of a ‘binomial' Latin species name; the second part is the specific name.
Patella: The knee segment of an arthropod leg.
Tarsus: The last segment of an arthropod leg.
Urticating hairs: A dense covering of barbed hairs, in addition to normal covering hairs, that are found on the top of the abdomen of most New World tarantulas. These hairs are believed to be used as a defense against mammalian and avian predators.