Paresthesia (Greek para- = abnormal, esthesia = feeling) is abnormal sensation on the skin that has no apparent physical cause (1). Paresthesia includes numbness and tingling, and can be temporary or permanent. Numbness is a decreased or lost sensation in the skin. Tingling is an unusual sensation in the skin. It is often described as feeling of pins and needles, tickling, pricking, creeping, skin crawling, ant crawling, and so on.
The orangutan (Pongo) is a great ape that has fur with a color between red and brown. There are two species of orangutan. They are from Southeast Asia. There are very few of them left, because loss of the jungle has reduced their habitat. There are orangutans on view at the Singapore Zoo.
The Sumatran orangutan is almost exclusively arboreal, living among the trees of tropical rainforests. Females virtually never travel on the ground and adult males do so rarely.Sumatran orangutans are reported to have closer social ties than their Bornean cousins.he Sumatran orangutan is almost exclusively arboreal, living among the trees of tropical rainforests. Females virtually never travel on the ground and adult males do so rarely.