It penetrates the skin, usually of the feet, migrates during its life cycle through the liver and the lungs, and attaches to the mucosa of the small intestine where it… blood disease: Hypochromic microcytic anemias. Life cycle: The life cycle of the two species of hook worm are same. No other intermediate host is required. What they mean by lifecycle is the sequence of different stages that the parasite undergoes, what it does to earn a living at each stage, and where the different stages occur, particularly inside humans or other animals (hosts) or outside (external environment). The only difference is the morphology of filariform larva. Classically, A. duodenale and N. americanus were considered the two primary intestinal hookworm species worldwide, but newer studies show that a parasite infecting animals, A. ceylanicum, is also an important emerging parasite infecting humans in … The following are the various stages of the life cycle: Stage 1: Passage of eggs from the infected host. Intestinal hookworm disease in humans is caused by Ancylostoma duodenale, A. ceylanicum, and Necator americanus. Life Cycle of Hookworms Parasitologists are obsessed with “lifecycles”. Hookworm, or Ancylostoma duodenale, infection begins when the worm is in the larval stage.

Life cycle is completed in a single host, the man. Causal Agents.