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I. Anatomical Structures Within the Superior Sagittal Sinus

Jefferson Browder, MD; Ann Browder, MD; Harry A. Kaplan, MD

Arch Neurol. 1972;26(2):175-180.

Abstract
The present study reviews the recorded descriptions of the interior of the superior sagittal sinus made by earlier investigators and adds observations made during anatomical dissection of 106 autopsy specimens. The rostral 5 to 7 cm of the interior of the sinus have relatively few openings of joining dural, falx, and cortical veins. The middle 12 to 14 cm of the sinus present a complex display of bands, bridges, cusps, and chords, often collectively referred to as "chordae willisii." The openings of cortical veins in the lateral leafs of the sinus are usually guarded by these structures. These bafflelike mechanisms appear to protect the cerebral veins from the effects of sudden increased intrasinus pressures.

Author Affiliations
Newark, NJ

From the Surgical Service, Veterans Administration Hospital, East Orange, NJ, and the Department of Surgery, Division of Neurosurgery, College of Medicine and Dentistry of New Jersey, Newark, NJ.

Footnotes
Accepted for publication Aug 12, 1971.

Reprint requests to Division of Neurosurgery, College of Medicine and Dentistry of New Jersey, Martland Hospital Unit, 65 Bergen St, Newark, NJ 07107 (Dr. J. Browder).

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ABSTRACT