The venous plexus of hypoglossal canal (
''TA'') – also known as ''plexus venosus canalis nervi hypoglossi'' (
''TA''), ''circellus venosus hypoglossi'' and ''rete canalis hypoglossi''
[ – is a small ]venous plexus
In vertebrates, a venous plexus is a normal congregation anywhere in the body of multiple veins.
A list of venous plexuses:
* Basilar plexus
* Batson venous plexus
* Internal vertebral venous plexuses
* Pterygoid plexus
* Submucosal venous ...
around the hypoglossal nerve
The hypoglossal nerve, also known as the twelfth cranial nerve, cranial nerve XII, or simply CN XII, is a cranial nerve that innervates all the extrinsic and intrinsic muscles of the tongue except for the palatoglossus, which is innervated by ...
that connects with the occipital sinus
The occipital sinus is the smallest of the dural venous sinuses. It is usually unpaired, and is sometimes altogether absent. It is situated in the attached margin of the falx cerebelli. It commences near the foramen magnum, and ends by draining int ...
, the inferior petrosal sinus
The inferior petrosal sinuses are two small sinuses situated on the inferior border of the petrous part of the temporal bone, one on each side. Each inferior petrosal sinus drains the cavernous sinus into the internal jugular vein.
Structure
The ...
and the internal jugular vein
The internal jugular vein is a paired jugular vein that collects blood from the brain and the superficial parts of the face and neck. This vein runs in the carotid sheath with the common carotid artery and vagus nerve.
It begins in the posteri ...
.
Notes
References