Medical Definition of Vena petrosa
1.
A short trunk formed by the union of four or five cerebellar and pontine veins opposite the middle cerebellar peduncle; it terminates in the superior petrosal sinus.
See: superior petrosal sinus, inferior petrosal sinus.
Synonym: vena petrosa.
(05 Mar 2000)
Lexicographical Neighbors of Vena Petrosa
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