Petrosal

From WikiMD's Wellness Encyclopedia

Petrosal may refer to:

Petrosal Bone[edit | edit source]

The petrosal bone or petrous part of the temporal bone is pyramid-shaped and is wedged in at the base of the skull between the sphenoid and occipital bones.

Structure[edit | edit source]

The petrosal bone is situated at the base of the skull, centered on the temporal bone. It houses the inner ear, making it one of the densest bones in the body.

Petrosal Sinus[edit | edit source]

The petrosal sinuses are part of the dural venous sinuses system. They are divided into two, the superior and inferior petrosal sinuses.

Superior Petrosal Sinus[edit | edit source]

The superior petrosal sinus drains the cavernous sinus into the sigmoid sinus.

Inferior Petrosal Sinus[edit | edit source]

The inferior petrosal sinus drains the cavernous sinus into the internal jugular vein.

Petrosal Ganglion[edit | edit source]

The petrosal ganglion is a small sensory ganglion of the facial nerve (VII) located in the facial canal in the skull.

See Also[edit | edit source]

References[edit | edit source]


Petrosal Resources
Wikipedia
WikiMD
Navigation: Wellness - Encyclopedia - Health topics - Disease Index‏‎ - Drugs - World Directory - Gray's Anatomy - Keto diet - Recipes

Search WikiMD

Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD

WikiMD's Wellness Encyclopedia

Let Food Be Thy Medicine
Medicine Thy Food - Hippocrates

WikiMD is not a substitute for professional medical advice. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.

Contributors: Prab R. Tumpati, MD