Petrosquamous sinus

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Vein: Petrosquamous sinus
Latin	Sinus petrosquamosus
Gray's	p.658

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

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

External links

SIG at UWash Petrosquamous%20sinus

This article incorporates text from a public domain edition of Gray's Anatomy.

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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