The hides of six snake species (especially pythons and wart snakes) are commonly bought and sold in the skin trade. The number of rattlesnakes used for their skins is minor in comparison. Hundreds of thousands of live snakes are collected for sale in the international pet trade.
A wart is a skin growth caused by some types of the virus called the human papillomavirus (HPV) . HPV infects the top layer of skin, usually entering the body in an area of broken skin. The virus causes the top layer of skin to grow rapidly, forming a wart.Most warts go away on their own within months or years.Warts can grow anywhere on the body, and there are different kinds. For example, common warts grow most often on the hands, but they can grow anywhere.ome people are more likely to get warts than others. Warts come in a wide range of shapes and sizes. A wart may be a bump with a rough surface, or it may be flat and smooth. Tiny blood vessels grow into the core of the wart to supply it with blood.
Causes. Plantar warts are caused by an infection with the human papillomavirus (HPV) in the outer layer of skin on the soles of your feet. More than 100 types of HPV exist, but only a few cause warts on your feet.Other types of HPV are more likely to cause warts on other areas of your skin or on mucous membranes.ore than 100 types of HPV exist, but only a few cause warts on your feet. Other types of HPV are more likely to cause warts on other areas of your skin or on mucous membranes.