Necator

Necator is a genus of nematodes, or roundworms, that includes two species, Necator americanus and Necator gorillae. Necator americanus, also known as the New World hookworm, is a significant parasite of humans, causing the disease hookworm infection. Necator gorillae is a parasite of gorillas.

Taxonomy

The genus Necator belongs to the family Ancylostomatidae, which also includes the genera Ancylostoma and Bunostomum. The name Necator comes from the Latin word for "killer", reflecting the parasitic nature of these worms.

Description

Necator worms are small, typically less than 1 cm in length, and have a characteristic hook-like mouthpart that they use to attach to the intestinal wall of their host. They are typically white or pink in color.

Life cycle

The life cycle of Necator worms involves several stages. The adult worms live in the intestines of their host, where they lay eggs that are passed out in the feces. These eggs hatch into larvae in the soil, which can then infect a new host by penetrating the skin.

Disease

Necator americanus is a major cause of hookworm disease, which can cause anemia, malnutrition, and developmental delays in children. The disease is most common in tropical and subtropical regions, where sanitation is poor and people often walk barefoot.

Treatment and prevention

Treatment for hookworm disease typically involves antiparasitic drugs, such as albendazole or mebendazole. Prevention involves improving sanitation and wearing shoes in areas where the disease is common.

See also

• List of parasites of humans
• Parasitic worms