<prompt> Ancylostoma enters the human body by -IngestionInhalationPenetration of skinInoculation  <response>: Ancylostoma enters the human body by penetration of skin. ANCYCLOSTOMA DUODONALE Hookworm: Host - Man. Infective form - 3rd stage filariform L3 larva. Mode of transmission- penetration of skin by 3rd stage filariform L3 larva by walking bare foot in dampen soil. Habitat- small intestine. 