The top of its posterior forms part of the fourth ventricle floor, and it is composed of ascending and descending tracts.
The top of its posterior forms part of the fourth ventricle floor, and it is composed of ascending and descending tracts. It is bounded by the foramen magnum and the restiform bodies and shaped as a truncated cone. It contains the nucleus of the solitary tract, which serves as the first taste relay center, and it also controls heart rate, breathing, and blood flow. For ten points, name this lower part of the brainstem, found between the pons and cerebellum, which transfers nerve impulses between the brain and spinal cord.
The top of its posterior forms part of the fourth ventricle floor, and it is composed of ascending and descending tracts.
medulla oblongata