Lemniscus (anatomy)
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A lemniscus (
Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...
for ribbon or band) is a bundle of secondary sensory fibers in the brainstem. The
medial lemniscus In neuroanatomy, the medial lemniscus, also known as Reil's band or Reil's ribbon (for German anatomist Johann Christian Reil), is a large ascending bundle of heavily myelinated axons that decussate (cross) in the brainstem, specifically in the ...
and
lateral lemniscus The lateral lemniscus is a tract of axons in the brainstem that carries information about sound from the cochlear nucleus to various brainstem nuclei and ultimately the contralateral inferior colliculus of the midbrain. Three distinct, primarily ...
terminate in specific relay nuclei of the diencephalon. The
trigeminal lemniscus The trigeminal lemniscus, also called the trigeminothalamic tract, is composed of the ventral trigeminal tract, and the dorsal trigeminal tract – nerve tracts that convey tactile, pain, and temperature impulses from the skin of the face, the ...
is sometimes considered as the cephalic part of the medial lemniscus. The spinal lemniscus constitutes the spinothalamic tract.


References


External links


Trigeminal lemniscus from Online medical Dictionary
Nervous system {{neuroanatomy-stub