petrosal

/pi-troh-suhl/US // pɪˈtroʊ səl //UK // (pɛˈtrəʊsəl) //

石蜡,石炭酸,石炭,石化

Definitions

adj.形容词 adjective

1
- : petrous; hard or stony.
- : Anatomy. of or relating to the petrous portion of the temporal bone.

The palatine appears to me to have been rightly regarded by Jackson and Clarke as the great superficial petrosal of Mammals.
If there be bleeding, it may be due to the sinus being obliterated incompletely, or it may come from the superior petrosal sinus.
If, in spite of this, bleeding still continues, it presumably comes from the petrosal sinus.
This is usually due to extension of the infection along the petrosal sinuses, or perhaps along the transverse sinus.