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Digitale Medien

Arachnoid villi affected by subarachnoid pressure and haemorrhage (1979)

Julow, J. ; Ishii, M. ; Iwabuchi, T.

Springer

Acta neurochirurgica 51 (1979), S. 63-72

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Details

ISSN: 0942-0940

Schlagwort(e): Arachnoid villi ; subarachnoid hemorrhage (SAH) ; increased subarachnoid pressure ; scanning electron microscope (SEM)

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Summary The arachnoid villi of 18 dogs were studied. The authors confirmed the pressure gradient changes of the morphology of arachnoid villi of dogs with the scanning electron microscope (SEM). A subarachnoid infusion with 5–10 times higher pressure gradient than the physiological one, tore the superficial endothelial layer from the villi, and the inner part could also be observed stereoscopically. On the surface of the arachnoid villi the authors observed microvilli, openings of vacuoles and intercellular gaps, but did not find openings of preformed channels. After subarachnoid haemorrhage (SAH) generally the villi were blocked but the authors have observed a red blood cell escaping from a villus intercellularly.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01401795

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