Fluke in sheep's liver,light micrograph

Numéro d’image : 11906446
Fluke in sheep's liver,light micrograph
Fluke in sheep's liver. Light micrograph of an adult liver fluke (Fasciola hepatica,pink and white,centre) embedded in a sheep's liver (red). Sheep,cattle and humans can ingest the fluke larvae by eating infested vegetation. Immature flukes penetrate the intestines & pass into the liver. Here,a fibrotic capsule (pale pink) has formed around the fluke while it matures by ingesting blood & tissue debris. About 3-4 months after infection,the fluke produces eggs which pass into the faeces,and so pass out of the body to contaminate lakes and streams. The eggs hatch to release larvae which infect aquatic snails and then move from these to become encysted on aquatic vegetation,forming the next infective stage. Magnification: x5 when printed 10cm wide
Licence : Droits gérés
Crédit: Science Photo Library / Gschmeissner, Steve
Taille de l’image : 4333 px × 3831 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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