spinomesencephalic fibers
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Fiber — The parts of plants that cannot be digested, namely complex carbohydrates. Also known as bulk or roughage. Complex carbohydrates from plants are rich in starch and fiber. Examples of plants that provide complex carbohydrates (fiber) are fresh… … Medical dictionary
tract — An elongated area, e.g., path, track, way. SEE ALSO: fascicle. SYN: tractus. [L. tractus, a drawing out] alimentary t. SYN: digestive t.. anterior corticospinal t. uncrossed fibers forming a small bundle in the anterior funiculus of the … Medical dictionary
fibra — SYN: fiber, fiber. [L.] fibrae arcuatae cerebri [TA] SYN: arcuate fibers of cerebrum, under fiber. fibrae arcuatae externae SYN: external arcuate fibers, under fiber. fibrae arcuatae externae anteriores [TA] See external arcuate fibers, under… … Medical dictionary
fibrae spinomesencephalicae — [TA] spinomesencephalic fibers: nerve fibers originating in the spinal cord and ascending as part of the anterolateral system to terminate in the mesencephalon; they are subclassified as spinoperiaqueductal (fibrae spinoperiaqueductales) and… … Medical dictionary
fibrae spinoperiaqueductales — [TA] spinoperiaqueductal fibers: the subgroup of spinomesencephalic fibers of the anterolateral system that originate in the spinal cord and project to the periaqueductal gray substance … Medical dictionary
fibrae spinotectales — [TA] spinotectal fibers: the subgroup of spinomesencephalic fibers of the anterolateral system that originate in the spinal cord and project to the tectum … Medical dictionary
Periaqueductal gray — Infobox Brain Name = PAGENAME Latin = s. grisea centralis GraySubject = 188 GrayPage = 806 Caption = Section through superior colliculus showing path of oculomotor nerve. Periaqueductal gray is the gray area just peripheral to the cerebral… … Wikipedia
Trigeminal nerve — Nerve: Trigeminal nerve Trigeminal nerve, shown in yellow … Wikipedia
system — 1. [TA] A consistent and complex whole made up of correlated and semiindependent parts. A complex of functionally related anatomic structures. 2. The entire organism seen as a complex organization of parts. 3. Any complex of structures… … Medical dictionary
