Basilar plexus

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Vein: Basilar plexus

The sinuses at the base of the skull.
Latin	plexus basilaris
Gray's	subject #171 660

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.

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 As such, some of the information contained within it may be outdated.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

Facial/common facial

frontal · supraorbital · angular · superior labial · inferior labial · deep facial

Direct

lingual (dorsal lingual, deep lingual, sublingual) · pharyngeal · superior thyroid (superior laryngeal) · middle thyroid

Brachiocephalic

Vertebral	occipital (occipital emissary) · suboccipital venous plexus deep cervical

Direct	inferior thyroid (inferior laryngeal) · thymic

M: VAS

anat(a:h/u/t/a/l,v:h/u/t/a/l)/phys/devp/cell/prot

noco/syva/cong/lyvd/tumr, sysi/epon, injr

proc, drug(C2s+n/3/4/5/7/8/9)

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Basilar plexus

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