Medical Definition of Circular sinus

1. Dural venous formation which surrounds the hypophysis, composed of right and left cavernous sinuses and the intercavernous sinuses. Synonym: circulus venosus ridleyi, Ridley's circle. A venous sinus at the periphery of the placenta. Synonym: sinus venosus sclerae. (05 Mar 2000)

Lexicographical Neighbors of Circular Sinus

circular layer of muscular coat
circular layer of tympanic membrane
circular layers of muscular tunics
circular letter
circular measure
circular mil
circular parries
circular parry
circular plane
circular polarized light
circular reaction
circular saw
circular saws
circular sector
circular segment
circular sinus (current term)
circular sulcus of Reil
circular sulcus of insula
circularisation
circularise
circularised
circularises
circularising
circularities
circularity
circularization
circularizations
circularize
circularized
circularizes

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