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The dorsal longitudinal fasciculus (DLF) is a distinctive nerve tract in the midbrain. It extends from the hypothalamus rostrally to the spinal cord caudally, ...
The dorsal spinocerebellar tract (posterior spinocerebellar tract, Flechsig's fasciculus, Flechsig's tract) conveys proprioceptive information from proprioceptors in the skeletal muscles and joints to the cerebellum. [3] It is part of the somatosensory system and runs in parallel with the ventral spinocerebellar tract.
They receive input from first-order sensory neurons, which provide sensation to many areas of the body and have cell bodies in the dorsal root ganglia of the dorsal root of the spinal nerves. Upon decussation (crossing over) from one side of the medulla to the other, also known as the sensory decussation , they are then called the medial ...
Longitudinal fasciculus may refer to: Dorsal longitudinal fasciculus; Inferior longitudinal fasciculus; Medial longitudinal fasciculus This page was last edited on 29 ...
The axons from the first-order neurons form the ascending tracts of the gracile fasciculus, and the cuneate fasciculus (the dorsal columns) which synapse on the second-order neurons in the gracile nucleus and the cuneate nucleus known together as the dorsal column nuclei; axons from these neurons ascend as the internal arcuate fibers; the ...
The salivatory nuclei are two general visceral efferent nuclei located in the caudal pons, dorsal and lateral to the facial nucleus. Their neurons give rise to preganglionic parasympathetic nerve fibers in the control of salivation. [1] [2] The superior salivatory nucleus supplies fibers to the intermediate nerve (part of the facial nerve (CN VII).
The tract descends through the periaqueductal gray, [5] through the dorsal longitudinal fasciculus, [1] and adjacent to the reticular formation. [5] In the brainstem, it descends in the lateral tegmentum of the midbrain, pons, and medulla oblongata. In the spinal cord, it descends in the dorsolateral quadrant of the lateral funiculus. [6]
Rostral interstitial nucleus of medial longitudinal fasciculus; Midbrain reticular formation; Dorsal raphe nucleus; Red nucleus; Ventral tegmental area. Parabrachial pigmented nucleus; Paranigral nucleus; Rostromedial tegmental nucleus; Caudal linear nucleus; Rostral linear nucleus of the raphe; Interfascicular nucleus; Substantia nigra. Pars ...