Onchocerciasis nodule excision surgery

Videonummer 12082048
Onchocerciasis nodule excision surgery. Close-up footage of the surgical excision and dissection of a nodule from a person with onchocerciasis (river blindness). This is a type of filariasis, caused by the tiny worms (microfiliariae) that are the larval stage in the life cycle of the nematode roundworm Onchocerca volvulus. The larvae are spread by flies which breed in and around rivers, primarily in Africa. The adult worms (macrofiliariae) grow in the body and mate to produce the microfiliarae that cause an allergic reaction, causing blindness if near the eye. The final part of the clip shows the roundworms in the dissected excised tissue. This clip is from a film published in 1967, with contributions by the National Institute of Health and Medical Research in Ghana.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / NATIONAL INSTITUTES OF HEALTH
Modell-Rechte: nicht erforderlich
Länge: 42 Sekunden
Seitenverhältnis: 4:3
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