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LIVING ANATOMY MEGAEXAMINER- [rollover and click to display]

   
DIGITAL LOCATOR OF PALM: roll over mouse to label ; click to display page. Layers are as follows- Layer 1- skin; layer 2, superficial fascia, layer 3 palmar aponeurosis, layer 4- layer of superficial palmar arch, layer 5 superficial flexor tendons, layer 6 deep flexor tendons, layer 7 adductor pollicis layer , layer 8- deep palmar arch layer, layer 9- layer of interossei; layer 10- layer of bones Skin of palm

 

Palm- Living anatomy

Skin of palm

Skin and living anatomy

This is thick and presented with numerous flexor creases and lines which form dermatoglyphs that are used in modern times as finger prints. The flexor creases are characteristically fixed in most individuals and occur at the joints of the hand which may include the metacarpophalangeal joint, and the interphalangeal joints.

Superficial fascia

Superficial fascia of the palm is also thick, and at the ends of the digits, form pulp which may be referred to as pulp spaces.

They carry superficial vessels and nerves

These are

  1. Digital vessels and nerves called common digital and proper digital nerves and common digital and proper digital vessels.

 The above are branches of three main nerves and vessels.

Nerves 

Ulnar nerve which supplies the medial 1/3 of the palm and medial 11/2 digits with cutaneous nerves

Median nerve which supplies the lateral 2/3 of the palm with its palmar cutaneous branch  (as opposed to palmar cutaneous of ulnar nerve above) and also the lateral 31/2 digits with cgutaneous digitial nerves.

Radial nerve supplies the proximal aspect of the thumb with cutaneous nerves

Vessels

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Radial artery

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Ulnar artery


Deep fascia

The deep fascia of the palm is thickened in some areas to form the following

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Palmar aponeurosis

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Fibrous flexor sheaths

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Palmaris brevis

This is a panniculus carnosus muscle (i.e. a muscle that develops from skin).

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Practical: Living anatomy
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Palm dissector Palm locator Palm rotator

 

 

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Electronic School of Medicine
Creator: Oluwole Ogunranti



Palm video          Layers of palm links       Electronic dissector    Structure locator

 

 
1 thenar eminence 2 hypothenar eminence ulnar nerve (yellow), median nerve (red, radial nerve  (blue)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dissector
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Wrist joint

Intercarpal joints

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Carpometacarpal joint of thumb

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Intermetacarpal joints

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Carpal injuries
Metacarpal injuries
Phalangeal injuries of hand
Injuries to metacarpophalangeal joints
Injuries to interphalangeal joints
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