fasciculus


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Related to fasciculus: Arcuate fasciculus, Fasciculus cuneatus, fasciculus gracilis, fasciculus retroflexus, medial longitudinal fasciculus, uncinate fasciculus

fasciculus

[fə′sik·yə·ləs]
(anatomy)
A bundle or tract of nerve, muscle, or tendon fibers isolated by a sheath of connective tissues and having common origins, innervation, and functions.
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the Great Chamber, Lecture Hall and SW Passage] and its lateral Sally Ports--we shall return on our steps as far as the vestibule, or sloping chamber, and, without stopping there advance into the cave at its extremity--from which we shall turn on the left into the region of the Bear's Den or the Water--We shall then return thence by the oven, retrace our steps by the arcade, traverse once more the sloping chamber in our way to the wolf's den, which forms its right branch, and finally terminate our labors [sic] in the grand vestibule' (MacEnery Fasciculus A, reprinted in Pengelly 1869: 218).
By the time that the Munich publisher Adam Berg had issued Lasso's Cantiones aliquot quinque vocum in 1569 and the Selectiorum aliquot cantionum sacrarum sex vocum fasciculus the following year (three of its motets were previously published in three different 1564 editions and appear in vols.
There are records of lesions occurring in the arcuate fasciculus that have not resulted in aphasia.
The abducens has two types of neurons, motoneurons which supply the lateral rectus, and internuclear neurons, which project via the contralateral medial longitudinal fasciculus (MLF) to the contralateral oculomotor nucleus.
Some were highly self-conscious of the nature of penance itself, as can been seen in the subsections dealing with sloth in Fasciculus morum.
Supranuclear control of vertical eye movements is subserved by diffuse cortical projections from the frontal and supplementary eye fields reaching the rostral interstitial nuclei of the medial longitudinal fasciculus (riMLF) and the interstitial nuclei of Cajal (inC) at the level of the midbrain pretectum (7).
They found that, from childhood into early adulthood, differences in fractional anisotropy -- a measure of connectivity -- of the cingulum were associated with executive functioning, whereas fractional anisotropy of the inferior fronto-occipital fasciculus was associated with visual learning and global cognitive performance via speed of processing.
They abut each other at the midline immediately anterior (ventral) to the periaqueductal grey (PAG) surrounding the cerebral aqueduct and posterior (dorsal) to the medial longitudinal fasciculus (MLF) carrying connections between various brainstem nuclei involved in ocular motor control (Figure 3).
Decreased FA was found in the corticospinal tract, sagittal stratum, and superior longitudinal fasciculus for the mild TBI group (with no clinical correlate).
A dorsal fasciculus and a ventral fasciculus arise from this plexus.
It is known that this region, a neural "highway" called the arcuate fasciculus, is involved in linking music and language perception with vocal production.