Inferior ophthalmic vein

Inferior ophthalmic vein
Veins of orbit.
Details
Source	Vorticose veins
Drains to	Superior ophthalmic vein and cavernous sinus
Artery	Ophthalmic artery
Identifiers
Latin	Vena ophthalmica inferior
Dorlands /Elsevier	v_05/12851157
TA	A12.3.06.117
FMA	51247
*Anatomical terminology*

The inferior ophthalmic vein begins in a venous network at the forepart of the floor and medial wall of the orbit; it receives some vorticose veins and other veins from the inferior rectus muscle, inferior oblique muscle, lacrimal sac and eyelids, runs backward in the lower part of the orbit lying above the inferior rectus and divides into two branches.

One of these passes through the inferior orbital fissure and joins the pterygoid venous plexus, while the other enters the cranium through the superior orbital fissure and ends in the cavernous sinus, either by a separate opening, or more frequently in common with the superior ophthalmic vein.

References

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

Retromandibular	maxillary pterygoid plexus superficial temporal anterior auricular
Direct	posterior auricular transverse cervical suprascapular anterior jugular jugular venous arch

Superficial:	superior superficial middle inferior inferior anastomotic (Labbé) superior anastomotic (Trolard)
Deep:	great internal basal deep middle superior thalamostriate

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

Direct

Vertebral	occipital occipital emissary suboccipital venous plexus deep cervical
Direct	inferior thyroid inferior laryngeal thymic

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