Basilar plexus

Basilar plexus
The sinuses at the base of the skull
Details
Identifiers
Latin	Plexus basilaris
TA	A12.3.05.106
FMA	50783
*Anatomical terminology* [edit on Wikidata]

The basilar plexus (transverse or basilar sinus) consists of several interlacing venous channels between the layers of the dura mater over the basilar part of the occipital bone (the clivus), and serves to connect the two inferior petrosal sinuses.

It communicates with the anterior vertebral venous plexus.

References

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

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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