Abdominal hair

Abdominal hair is the hair that grows on the abdomen of humans and non-human mammals, in the region between the pubic area and the thorax (chest). The growth of abdominal hair follows the same process as the hair on most of the other parts of the body.

Distribution and density

Abdominal hair is distributed in two areas: the pubic region and the area around the navel. The density of hair in these areas varies and is largely dependent on genetic factors. Some individuals may have sparse or no abdominal hair while others may have dense hair growth.

Function

The primary function of abdominal hair in humans is to aid in the dispersal of pheromones, which are chemicals that can trigger a social response in members of the same species. Abdominal hair also provides some degree of protection to the abdomen.

Sexual dimorphism

Abdominal hair is a secondary sexual characteristic in males, which means it is part of the physical characteristics that differentiate males from females, but is not directly involved in reproduction. Males typically have more abdominal hair than females, and the hair is usually more coarse.

Cultural and aesthetic aspects

In many cultures, the presence or absence of abdominal hair in men is associated with notions of masculinity or femininity. Some people choose to remove or trim their abdominal hair for aesthetic or personal reasons.

See also

• Body hair
• Hair removal
• Human physical appearance