Trematodes

Pregunta	Respuesta
Example	Schistocomia haematobium
Forms	5- Miracidia (larval stage) cercaria, encysted metacaria, metacaria and worms
Description	Mouth and ventral sucker but no anus, single sement with male and female reproductive tissue
Life Cycle- (1) Exiting Humans	Human excretes eggs into the environment
Life Cycle- (2) Larva	In water, the larval stage (miracidia) occurs
Life Cycle- (3) Snails	Larva infect freshwater snail and reproduce asexually to form circaria
Life Cycle- (4a) Fish	Circadia enter fish/crustaceans and become encysted metacaria in the muscle
Life Cycle- (4b) Plants	Can be left on plants by water, develop into metacaria
Life Cycle- (4c) Penetrate	Some flukes can penetrate human skin from the water
Life Cycle- (5) Humans	Either by penetration or ingestion, the metacaria end up in humans and develop into worm form
Schistocomia haematobium- Infection	UTIs, where body reacts to the release of eggs
Schistocomia haematobium- Symptoms	Inflammation and blood in urine (can lead to bladder cancer)
Schistocomia haematobium- Skin Penetration	Can cause itchyness where skin is penetrated

Resumen del Recurso

	Creado por gina_evans0312 hace más de 12 años