Internal Jugular Anatomy

The internal jugular vein is a continuation of this system downward through the neck. Internal jugular vein anatomy and function inferior petrosal and sigmoid dural venous sinuses which are venous channels located between the layers of the dura mater the outermost membrane that envelops the brain and the spinal cord unite to form the internal jugular veins.

Central Venous Catheterization Landmark Techniques

A prospective study vijay p.

Internal jugular anatomy. The internal jugular vein maintains its regional anatomy and patency after carotid endarterectomy. The internal jugular vein is a major blood vessel that drains blood from important body organs and parts such as the brain face and neck. Espinosa md and jay b.

It descends in the carotid sheath with the internal carotid artery. The internal jugular vein is a paired jugular vein that collects blood from the brain and the superficial parts of the face and neck. At approximately the level of the collarbone each unites with the subclavian vein of that side to form the innominate veins.

The internal jugular vein ijv is the major venous return from the brain upper face and neck. The internal jugular veins lie deeper and are larger than the external jugular veins which lie closer to the surface. It receives blood from parts of the face neck and brain.

The sigmoid sinus arises in the posterior cranial fossa and exits the cranium through the jugular foramen located at the base of the skull. The internal jugular vein is a run off of the sigmoid sinus. They each rest beside the thyroid gland at the center of the neck just above the collarbone and near the trachea or windpipe.

The vein runs in the carotid sheath with the common carotid artery and vagus nerve. Gross anatomy origin and course. Khatri md sam wagner sevy rvt rdcs manuel h.

The internal jugular vein functions as a guide for surgeons during removal of deep cervical lymph nodes. The facial or common facial vein is the most essential tributary of the internal jugular vein for it acts as a useful landmark in the removal of the jugulodigastric tonsillar and upper anterior group of deep cervical lymph nodes. As the internal jugular vein runs down the lateral neck it drains the branches of the facial retromandibular and the lingual veins.

It is formed by the union of inferior petrosal and sigmoid dural venous sinuses in or just distal to the jugular foramen forming the jugular bulb. Anatomically there are two of these veins that lie along each side of the neck.

Common Carotid Artery L Common Carotid Artery L Internal