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ANATOMY / REFERENCE GALLERY1 / 4 references
upper nerves: original labelled anatomical illustration.
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median nerve

Median nerve alongside the brachial arterial axis; trace its printed course into the forearm.

Zoom in, then drag to inspect. Keyboard: + / − to zoom, arrows to pan, 0 to reset. Tap the numbered markers to explore parts.

upper nerves: original labelled anatomical illustration.

Image: Henry Vandyke Carter / Gray’s Anatomy (1918) · Source / original · Public domain

Numbered markers and focused views are Mediveerse learning overlays; the original reference is linked above.

Median nerve

Nerves & vessels

Median nerve

STRUCTURE & FUNCTION

Understand what you see.

Supplies most forearm flexors and selected intrinsic hand muscles plus lateral hand sensation.

Zoom into the original labels. Practise pointing out each structure, then explain it aloud. Diagrams are teaching references; specimen appearance and slide staining vary.

01 / IDENTIFICATION

How to recognise it.

  1. Formed by lateral and medial roots
  2. Runs with brachial artery in arm
  3. Traverses carpal tunnel
02 / KEY STRUCTURES

Point them out.

Tap a number to open its reference, zoom in and locate the structure. Numbers stay the same across views. This key follows landmarks visible in the reference images.

Related features & study points (3)

Additional relations, attachments or microscopic details to revise alongside this plate. These are separate from its numbered image landmarks.

  • Anterior interosseous branch
  • Recurrent thenar branch
  • Palmar digital branches
03 / VIVA PRACTICE

Think first. Then reveal.

Say your answer aloud before opening the suggested response.

01How do you identify median nerve?
SUGGESTED ANSWER

Formed by lateral and medial roots. Runs with brachial artery in arm. Traverses carpal tunnel.

02Name key forearm exceptions to median supply.
SUGGESTED ANSWER

Flexor carpi ulnaris and the medial part of flexor digitorum profundus are ulnar supplied.

03Why may central palm sensation be spared in carpal tunnel syndrome?
SUGGESTED ANSWER

Palmar cutaneous median branch arises proximal to the tunnel and usually passes superficial to the flexor retinaculum.

04What is its main functional or developmental significance?
SUGGESTED ANSWER

Supplies most forearm flexors and selected intrinsic hand muscles plus lateral hand sensation. Key structures to recognise: Anterior interosseous branch; Recurrent thenar branch; Palmar digital branches.

Read the references.

Credited anatomical plates, microscopy and university teaching references. Individual image credits appear below the viewer. Historical plates can use older terminology; use the lesson text for current names.