Median nerve

Nervus medianus

Formed from the lateral and medial cords of the brachial plexus (C5-T1). It descends through the arm without giving branches, passes through the cubital fossa, runs between the flexor digitorum superficialis and profundus in the forearm, and enters the hand through the carpal tunnel.

Type Nerve
Système corporel Nervous
Région corporelle Forearm
Structure parente arm nerve
Nom latin Nervus medianus
FMA ID 14385

Fonction

Provides motor innervation to most flexors of the forearm and thenar muscles of the hand. Provides sensory innervation to the lateral palm and palmar surface of the lateral three and a half digits.

Signification clinique

Carpal tunnel syndrome is compression of the median nerve at the wrist, causing numbness, tingling, and weakness. Anterior interosseous syndrome affects motor function. Pronator teres syndrome compresses the nerve proximally. The hand of benediction occurs with high median nerve lesions.

Questions fréquentes

What is the Median nerve?
Formed from the lateral and medial cords of the brachial plexus (C5-T1). It descends through the arm without giving branches, passes through the cubital fossa, runs between the flexor digitorum superficialis and profundus in the forearm, and enters the hand through the carpal tunnel.
What is the function of the Median nerve?
Provides motor innervation to most flexors of the forearm and thenar muscles of the hand. Provides sensory innervation to the lateral palm and palmar surface of the lateral three and a half digits.
What body system is the Median nerve part of?
The Median nerve is part of the Nervous.
What conditions affect the Median nerve?
Carpal tunnel syndrome is compression of the median nerve at the wrist, causing numbness, tingling, and weakness. Anterior interosseous syndrome affects motor function. Pronator teres syndrome compresses the nerve proximally. The hand of benediction occurs with high median nerve lesions.
Where is the Median nerve located?
The Median nerve is located in the Forearm region of the body.

Structures associées

nervous system lemniscus lemniscus choroid plexus of fourth ventricle 4th ventricle choroid plexus arthropod optic lobe optic lobe genu of corpus callosum corpus callosum genu basis pontis basis pontis developing neuroepithelium embryonic neuroepithelium posterior recess posterior recess of diencephalic ventricle central nervous system cerebrospinal axis

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