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Home › Body Atlas › Organs › Stratum Lucidum
Organ Hand & Wrist

Stratum Lucidum

stratum lucidum epidermidis

The stratum lucidum is a thin clear layer of flattened dead cells found only in very thick skin, such as the palms and soles. It lies just beneath the stratum corneum.

Anatomical Data

Structure & Supply

LocationThick skin of the palms, soles and fingertips, between the stratum granulosum and stratum corneum
Parts
  • Flattened anucleate keratinocytes
  • Eleidin
Nerve SupplyFree nerve endings and Merkel cells from cutaneous nerves
Blood SupplyNone (epidermis is avascular; nourished from dermal capillaries)
Venous drainage
  • None (avascular)
Lymphatic drainage
  • None (avascular)
Biomechanics

Function & Actions

Adds an extra tough, translucent layer to skin that takes heavy friction and pressure.

Clinical Relevance

Clinical Notes

Its presence is a feature of thick skin. Friction blisters on the hands and feet in athletes and manual workers often form in the upper epidermis of this thick skin.

Pathology

Common Injuries & Conditions

Friction Blister

Separation of epidermal layers from repeated rubbing, common on palms and soles.

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