Cleft lip is formed in the top of the lip as either a small gap or an indentation in the lip (partial or incomplete cleft) or it continues into the nose (complete cleft).

The depressor labii inferioris (or quadratus labii inferioris) is a facial muscle that helps lower the bottom lip.

According to the band, doctors say that it likely originated from a spider bite.

Approximately 1 in 700 children born have a cleft lip or a cleft palate or both.

He was served in his ultimate retirement in the desert by a man whom he had cured from the bite of a snake.

A scoring system can be used to try to determine the biting snake based on clinical features, but these scoring systems are extremely specific to particular geographical areas.

An example for how environmental factors might be linked to genetics comes from research on mutations in the gene PHF8 that cause cleft lip palate (see above).

Treatment Cleft lip and palate is very treatable however, the kind of treatment depends on the type and severity of the cleft.

Ideally the dead snake would be brought in with the person, but in areas where snake bite is more common, local knowledge may be sufficient to recognize the snake.

Bullet ants ( Paraponera ), located in Central and South America, are considered to have the most painful sting of any insect, although it is usually not fatal to humans.

It had already spread to his lymph nodes, so we used an antiangiogenic skin cream for the lip and an oral cocktail, so we could treat from the inside as well as the outside.

The amount of venom produced also differs among species, with the Gaboon viper able to potentially deliver from 450 600 milligrams of venom in a single bite, the most of any snake.

The catalytic activity of PHF8 depends on molecular oxygen, a fact considered important with respect to reports on increased incidence of cleft lip palate in mice that have been exposed to hypoxia early during pregnancy.