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Featured researches published by Anthony J. Raimondi.


Acta Neuropathologica | 1962

Studies of cerebral edema III

Anthony J. Raimondi; Joseph P. Evans; Sean Mullan

SummaryNormal perivascular glial cells have an abundance of paired fibrillar structures which run in bundles to the region of the basement membrane. Ferritin passes through the endothelium of white matter of cat brain and into both the extracellular space and the perivascular glial cells. The passage through the endothelium is by pinocytosis, the passage across the basement membrane is direct, the passage into the perivascular glial cells is by pinocytosis. In cerebral edema, there is an exaggeration of pinocytotic activity in the endothelial cells, with the contents of these vesicles being poured into the region of the basement membrane. Next, one notes an increase in the extracellular space, and then an increase in number of vesicles in the perivascular glial cells. (The passage through the endothelium is by pinocytosis, the passage across the basement membrane is direct, the passage into the perivascular glial cells is by pinocytosis.) Alteration of the fine structure of the perivascular glial cells follows, with the appearance of protein globules in these cells. The changes in the glial cells peripheral to the vessels occur after those in the extracellular space adjacent to the vessel and in the perivascular glial cells.ZusammenfassungDie normalen perivasculären Gliazellen sind reich an paarigen Fibrillenstrukturen, die in Bündeln zur Basalmembran hin verlaufen. In der weißen Substanz des Katzenhirns gelangt Ferritin durch das Endothel in den extracellulären Raum sowie in die perivasculären Gliazellen. Der Durchtritt erfolgt beim Endothel mittels Pinocytose, durch die Basalmembran direkt und in die perivasculären Gliazellen wieder durch Pinocytose. Beim Hirnödem ist die Pinocytosetätigkeit in den Endothelzellen abnorm gesteigert, wobei sich der Inhalt dieser Vesikel in die Basalmembran ergießt. Weiter kann man eine Erweiterung des extracellulären Raumes und hierauf eine Vermehrung der Vesikel in den perivasculären Gliazellen beobachten. (Der Durchschnitt durch das Endothel erfolgt mittels Pinocytose, durch die Basalmembran direkt und in die perivasculären Gliazellen wieder durch Pinocytose.) Dann kommt es zu Veränderungen der Feinstruktur der perivasculären Gliazellen, wobei in diesen Proteinkügelchen auftreten. Veränderungen in den von Gefäßen entfernt liegenden Gliazellen treten später auf als die Veränderungen im extracellulären Raum unmittelbar um das Gefäß und als die in den perivasculären Gliazellen.


Journal of Neurosurgery | 1962

Human brain tumors: an electron-microscopic study.

Anthony J. Raimondi; Sean Mullan; Joseph P. Evans


Journal of Neurosurgery | 1965

Electrically Induced Thrombosis in Intracranial Aneurysms

Sean Mullan; Anthony J. Raimondi; G. Dobben; G. Vailati; Javad Hekmatpanah


Acta Neuropathologica | 1967

Perineurial fibroblastomas: Their fine structure and biology

Anthony J. Raimondi; Frederick Beckman


Acta Neuropathologica | 1962

Studies of cerebral edema III: Alterations in the white matter: An electron microscopic study using ferritin as a labeling compound

Anthony J. Raimondi; Joseph P. Evans; Sean Mullan


Minimally Invasive Neurosurgery | 1968

Intracranial false aneurysms.

Anthony J. Raimondi; Yashon D; Reyes C; Yarzagaray L


Journal of Neurosurgery | 1967

A simplified technique for performing the ventriculo-peritoneal shunt. Technical note.

Anthony J. Raimondi; Satoshi Matsumoto


Journal of Neurosurgery | 1965

Brain Abscess in Children with Congenital Heart Disease: I

Anthony J. Raimondi; Satoshi Matsumoto; Robert A. Miller


JAMA Neurology | 1964

Localization of Radio-Iodinated Serum Albumin in Human Glioma: An Electron-Microscopic Study

Anthony J. Raimondi


Journal of Neurosurgery | 1962

Respiratory hazards of the surgical treatment of the Arnold-Chiari malformation.

Sean Mullan; Anthony J. Raimondi

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G. Dobben

University of Chicago

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