Lemniscus (anatomy)

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General Information
Latin lemniscus
Greek
TA98
TA2
FMA
Details
System Nervous system
Artery
Vein
Nerve
Lymphatic drainage
Precursor Neural crest
Function Sensory pathway
Identifiers
Clinical significance
Notes


The lemniscus is a bundle of secondary sensory fibers in the brainstem that is involved in the transmission of sensory information. The term "lemniscus" is derived from the Greek word for "ribbon" or "band," reflecting its appearance as a flat, ribbon-like tract.

Types of Lemnisci[edit | edit source]

There are several types of lemnisci in the central nervous system, each serving distinct functions:

Function[edit | edit source]

The lemnisci are crucial for the processing and relay of sensory information to higher brain centers. They ensure that sensory inputs are accurately transmitted to the cerebral cortex for interpretation, allowing for the perception of various sensory modalities.

Clinical Significance[edit | edit source]

Damage to the lemnisci can result in sensory deficits. For example, lesions in the medial lemniscus can lead to loss of proprioception and fine touch, while damage to the lateral lemniscus can affect auditory processing.

See Also[edit | edit source]

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