Hypoglossal trigone
Encyclopedia
In the upper part of the medulla oblongata
, the hypoglossal nucleus
approaches the rhomboid fossa
, where it lies close to the middle line, under an eminence named the hypoglossal trigone.
Medulla oblongata
The medulla oblongata is the lower half of the brainstem. In discussions of neurology and similar contexts where no ambiguity will result, it is often referred to as simply the medulla...
, the hypoglossal nucleus
Hypoglossal nucleus
The hypoglossal nucleus is a cranial nerve nucleus, and it extends the length of the medulla, and being a motor nucleus, is close to the midline...
approaches the rhomboid fossa
Rhomboid fossa
The anterior part of the fourth ventricle is named, from its shape, the rhomboid fossa, and its anterior wall, formed by the back of the pons and medulla oblongata, constitutes the floor of the fourth ventricle....
, where it lies close to the middle line, under an eminence named the hypoglossal trigone.
External links
- http://www.ib.amwaw.edu.pl/anatomy/atlas/image_04be.htm