Light micrograph of adult intestinal blood flukes,Schistosoma mansoni,cause of schistosomasis,commonly known as bilharzia. The adults (male thick & bluish,female white threadlike) normally live in pairs in blood vessels of the small intestine,causing dysentery & diarrhoea. Their spiked eggs cause anaemia,inflammation & tissue scarring. The larvae develop in freshwater snails (intermediate host) & are released into the water. Humans (final host) are infected while bathing or working in contaminated water. The dark brown coloration,particularly noticable in the female,is half digested blood from a previous meal. Magnification: x5 at 35mm size. These specimens were taken from the liver of a | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Stammers, Sinclair |
Taille de l’image : | 5409 px × 3641 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |