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Ethmoidal Veins
Cardiovascular System

Ethmoidal Veins

Venae ethmoidales

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Quick Facts

Origin: Nasal cavity.

Course: Serve as the vena comitans of the ethmoidal arteries and accompany them along their course.

Tributaries: None.

Drainage: Roof and upper medial and lateral walls of the nasal cavity, ethmoidal air sinuses, dorsum of the nose, and dura mater (in the anterior cranial fossa).

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Origin

The ethmoidal veins originate in the mucosa of the nasal cavity.

Course

The ethmoidal veins serve as the vena comitans of the anterior and posterior ethmoidal arteries. They accompany the corresponding arteries to enter ethmoidal canals in the medial wall of the orbit to reach the superior ophthalmic vein.

Tributaries

There are no named tributaries.

Structures Drained

The ethmoidal veins drain venous blood from the roof and upper medial and lateral walls of the nasal cavity, ethmoidal air sinuses, dorsum of the nose, and the dura mater (in the anterior cranial fossa).

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Complete Anatomy

The world's most advanced 3D anatomy platform

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