Tuberculum cinereum
Encyclopedia
- Not to be confused with the tuber cinereumTuber cinereumThe tuber cinereum is a hollow eminence of gray matter situated between the mammillary bodies and the optic chiasm. The tuber cinereum is part of the hypothalamus.-Structure:...
, nor the ala cinerea (vagal trigoneVagal trigoneThe cells of the dorsal nucleus are spindle-shaped, like those of the posterior column of the spinal cord, and the nucleus is usually considered as representing the base of the posterior column. It measures about 2 cm...
).
It is a raised area between the rootlets of the accessory nerve
Accessory nerve
In anatomy, the accessory nerve is a nerve that controls specific muscles of the shoulder and neck. As part of it was formerly believed to originate in the brain, it is considered a cranial nerve...
and posterolateral sulcus
Posterolateral sulcus
Posterolateral sulcus can refer to:* Postero-lateral sulcus of medulla oblongata*Posterolateral sulcus of spinal cord...
. It overlies the spinal tract of trigeminal nerve
Trigeminal nerve
The trigeminal nerve contains both sensory and motor fibres. It is responsible for sensation in the face and certain motor functions such as biting, chewing, and swallowing. Sensory information from the face and body is processed by parallel pathways in the central nervous system...
.