ORBITAL VENOUS ANATOMY OF THE RAT

  • 1 January 1979
    • journal article
    • research article
    • Vol. 29  (5) , 636-638
Abstract
Ten rats were embalmed, the veins of the head latex-injected and the heads dissected. Rats [5] were used to prepare corrosion casts of the head venous structures. The rat has an orbital venous plexus not an orbital venous sinus as in the mouse and hamster. The orbital venous plexus was formed by the external dorsal ophthalmic vein, external ventral ophthalmic vein and numerous anastomoses between these veins. Of major interest was a large anastomotic vein located in the caudal-dorsal area of the orbit. The anastomotic vein joined the orbital plexus and the superficial temporal vein.

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