Petrosquamous sinus

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Vein: Petrosquamous sinus
Latin	s. petrosquamosus
Gray's	subject #171 658

The petrosquamous sinus, when present, runs backward along the junction of the squama and petrous portion of the temporal, and opens into the transverse sinus.

[edit] External links

SIG at UWash Petrosquamous%20sinus

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.

Veins (emissary, jugular and others) of head and neck (drainage patterns can vary) (TA A12.3.04–06, GA 7.644)

External jugular

Retromandibular	maxillary (pterygoid plexus) · superficial temporal (anterior auricular)

Direct	posterior auricular transverse cervical · suprascapular · anterior jugular (jugular venous arch)

Internal jugular

Diploic/brain

Cerebral

Superficial cerebral veins: superior · superficial middle · inferior · inferior anastomotic (Labbé) · superior anastomotic (Trolard)

Deep cerebral veins: great · internal (basal, deep middle, superior thalamostriate)

Cerebellar

superior · inferior

Sinuses

To COS	superior sagittal · straight (inferior sagittal) · occipital

To CS	sphenoparietal · intercavernous superior ophthalmic (ethmoidal, central retinal, nasofrontal, vorticose veins) · inferior ophthalmic

To IJV	sigmoid: transverse (petrosquamous) · superior petrosal inferior petrosal (basilar plexus, internal auditory veins) · condylar