What foramen does the jugular vein pass through?

What foramen does the jugular vein pass through?

The jugular foramen is a large foramen (opening) in the base of the skull, located behind the carotid canal. It is formed by the temporal bone and the occipital bone….

Where is the jugular foramen?

On its extracranial surface, the jugular foramen has an oblique course from medial to lateral and from posterior to anterior, and it is located posterior to the carotid canal, anterolateral to the occipital condyle, and medial to the styloid process (Figure 1B).

What is the purpose of the jugular foramen?

The jugular foramen is a cavity formed by the petrous part of the temporal bone anteriorly and the occipital bone posteriorly. Its major function is to act as a conduit for essential structures to pass through.

What structures lie in the jugular foramen?

The important structures surrounding the jugular foramen include the mastoid segment of the facial nerve laterally, the petrous segment of the internal carotid artery (ICA) anteromedially, the vertebral artery inferiorly, and the hypoglossal nerve medially.

What passes through Stylomastoid foramen?

It is located on the inferior surface of the petrous temporal bone, between the base of the styloid process and the mastoid process of the temporal bone. It transmits the facial nerve and stylomastoid artery (branch of posterior auricular artery).

What passes through the jugular foramen quizlet?

the jugular foramen along with the glossopharyngeal nerve (IX), one other nerve (XI) and vein (internal jugular vein). the jugular foramen with glossopharyngeal nerve, vagus nerve, and one vein, the internal jugular vein. the hypoglossal canal (hole near margin of foramen magnum through which cranial nerve XII passes.

What is the jugular bulb?

The jugular bulb (JB) is the confluence of the lateral venous sinuses situated in the jugular fossa. It drains extracranially to the internal jugular vein as it passes through the jugular foramen of the posterior cranial fossa. The precise location of this structure within the temporal bone is variable.

What is jugular foramen syndrome?

The jugular foramen syndrome (JFS or Vernet syndrome) refers to paralysis of the IX, X, and XI cranial nerves traversing the jugular foramen. Vernet first described it in the Paris Medical Journal (1917).

What is foramen ovale skull?

Foramen ovale (plural: foramina ovalia) is an oval shaped opening in the middle cranial fossa located at the posterior base of the greater wing of the sphenoid bone, lateral to the lingula.

WHAT IS IN jugular foramen?

The structures that traverse the jugular foramen are the sigmoid sinus and jugular bulb, the inferior petrosal sinus, meningeal branches of the ascending pharyngeal and occipital arteries, the glossopharyngeal, vagus, and accessory nerves with their ganglia, the tympanic branch of the glossopharyngeal nerve (Jacobson’s …

What structure passes through foramen Spinosum?

The foramen spinosum permits the passage of the middle meningeal artery, middle meningeal vein, and the meningeal branch of the mandibular nerve.

What is the function of a stylomastoid foramen?

The stylomastoid foramen is between the styloid and mastoid processes of the temporal bone. It is the termination of the facial canal, and transmits the facial nerve and stylomastoid artery.

Where is the jugular foramen located in the skull?

The jugular foramen is a large aperture in the skull base. It is located behind the carotid canal and is formed in front by the petrous bone, and behind by the occipital bone; it is generally larger on the right than on the left side 1) 2) .

Where is the intrajugular part of the jugular?

The intrajugular part is positioned between the sigmoid and petrosal parts, and is the site of bony prominences called the intrajugular processes on the opposing surfaces of the temporal and occipital bones. The size of the normal jugular foramen is remarkably variable and asymmetrical.

How long does a jugular foramen schwannoma last?

Jugular foramen schwannomas are a rare type of intracranial schwannoma that presents as a jugular fossa mass involving the jugular foramen. In those without neurofibromatosis type 2 (NF2), they tend to present between the 3 rd to 6 th decades of life.

Is there a tumor in the jugular vein?

Tumors involving the jugular foramen (JF) have a variable relationship to the neurovascular structures (jugular vein, cranial nerves IX-XI) that traverse this conduit through the skull base.