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White matter spinal cord

QuestionAnswer
This narrow band of fibers interconnect cord segments in order to allow intersegmental coordination, they are propriospinal fibers. fasciculus proprius
This is a narrow band of fibers immediately adjacent to the gray matter. fasciculus proprius
This is a narrow midline area of white matter located anterior to the central canal and posterior to the anterior median fissure. anterior white commissure
This lies between the apex of the dorsal horn and the surface of the spinal cord, consists of propriospinal fibers and fibers that enter via the dorsal root. dorsolateral fasciculus
In the upper thoracic and cervical regions the dorsal column is made up of what two tracts? fasciculus cuneatus and gracilis
What type of information is carried by the dorsal column (funiculus) discriminative touch, vibration, and limb position and motion
What is another name for the anteriolateral system spinothalamic tract
What type of information is carried by the spinothalamic tract? pain, temperature, and non-discriminative tactile information
These tracts are located at the periphery of the lateral funiculus and carry proprioreceptive and tactile information to the cerebellum for posture and coordination. anterior and posterior spinocerebellar tracts
These two tracts are concerned with voluntary movements esp skilled movements of distal parts of limbs lateral and anterior corticospinal tracts
This tract contains fibers that originate in the red nucleus of the midbrain rubrospinal tract
The rubrospinal tract is associated with what functions. muscle tone, esp excitatory response on limb flexors
This tract is found in the cervical region, is part of the medial longitudinal fasiculus, and is involved with regulation of head position. medical vestibulospinal tract
This tract descends in the anterior funiculus, close to the surface, and exerts an excitatory influence on extensor muscles. lateral vestibulospinal tract
This tract originates in the reticular formation of the pons and descends in the anterior funiculus. medial reticulospinal tract
This tract originates in the reticular formation of the medulla and descends in the anterior and lateral funiculus. lateral reticulospinal tract
The fibers of the lateral reticulospinal tract have what type of influence? inhibit extensors
The fibers of the medial reticulospinal tract have what type of influence? excitatory extensors
Created by: justice2