![]() ![]() Infection takes place in man by eating improperly cooked fish. Cercaria swims freely and is eaten by fish and encysts in the muscles of fish. Miracidium larva hatched inside snail body and changes into sporocyst, redia and cercaria larvae. Eggs are excreted through faeces and swallowed by freshwater snail. Male has two testes and female has a single ovary. Size is about 2 cm and it is found in liver. ![]() Infection occurs by eating uncooked vegetables. Metacercaria is formed on water plants that are eaten by man. Eggs are excreted through faeces and washed into water where they enter fresh water snail. buskiįound in Asian countries, this fluke is 5-7.5 cm long and is found in small intestine of man and animals. Intestinal flukes – Fasciolopsis fuelleborni F. Cercaria swims in water and enters human blood either by penetrating through the skin or along with drinking water. ![]() There are no redia and metacercaria stages. Miracidium larva enters the freshwater snail in which larval stages are completed. Eggs are laid in blood from where they are excreted through urine or stools. Female is thin while male is broad, 6-10 mm long and has a gynaecophoric canal in which it captures the female until copulation. The adults are found in portal and pelvic veins of man. This is a dioecious fluke that occurs in tropical and subtropical areas of the world. Blood flukes – Schistosoma haematobium S. ![]()
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