Petrosquamous sinus

Petrosquamous sinus
Details
Identifiers
Latin	Sinus petrosquamosus
TA	A12.3.05.107
FMA	50777
*Anatomical terminology* [edit on Wikidata]

The petrosquamous sinus, is a fetal vein that generally disappears by birth^[1] and, when present, runs backward along the junction of the squama and petrous portion of the temporal, and opens into the transverse sinus.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

↑ http://www.ajnr.org/content/22/6/1186.full

Veins of the head and neck

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:	superior superficial middle inferior inferior anastomotic (Labbé) superior anastomotic (Trolard)

Deep:	great internal basal deep middle superior thalamostriate

Cerebellar

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

Facial/common facial

Direct

Brachiocephalic

Vertebral	occipital occipital emissary suboccipital venous plexus deep cervical

Direct	inferior thyroid inferior laryngeal thymic

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