The two ascending tracts, however, do meet at the T6 level.

Descending and ascending tracts will generally be cut off during cerebrovascular disease, which conduct impulses down from the cord of the brain.

The gracile fasiculus is one of many ascending tracts, which carry received sensory information up the spinal cord.

The DLF ascending tract has its origins in nuclei of the reticular formation.

The ascending tracts collect the various sensations picked up by the spinal cord and carry them upward, through the reticular activating system.

The spinoreticular tract utilizes four levels of neurons, unlike most ascending tracts which have first- through third-order neurons.

There are other bundles of nerve fibers in the CNS that are called ascending tracts.

Ascending tracts typically have three levels of neurons that relay information from the physical point of reception to the actual point of interpretation in the brain.

Another pathway (not in picture) directly projects from the vestibular nucleus through the ascending tract of Dieters to the ipsilateral medial rectus motoneuron.

There in a sharp bend, the folds of which are clearly visible, it turns to the front, proceeding as an ascending tract, its visible part ending near the stomach.

The stretching or contraction of these fibers sets up impulses in the nerve endings, which travel to the spinal cord and through ascending tracts to the brain stem.

Those that conduct impulses downward from the brain are the descending tracts and those that conduct them upward to the brain are the ascending tracts.

The major neuropathologic feature of HSP is axonal degeneration that is maximal in the terminal portions of the longest descending and ascending tracts.

This thinner intestine turns to the back, running parallel to the ascending tract of the duodenum and ultimately disappearing under it, at the level of the twelfth dorsal vertebra.

Ascending tracts arise from the Vestibular nucleus (VN) and terminate in the III, IV and VI nuclei, which are important for visual tracking.

The researchers proposed that a column of cells surrounding the midbrain reticular formation received input from all the ascending tracts of the brain stem and relayed these afferents to the cortex and therefore regulated wakefulness.

However, in many cases, the sensation that brings about the response is also shunted into an ascending tract and brought to the cerebrum, where it is then experienced as an ordinary sensation, usually after the reflex response is complete.