The stratum lucidum is a layer of the epidermis found throughout the body, but is thickest on the palms of the hands and the soles of the feet. Located between the stratum granulosum and stratum corneum layers. It is composed of three to five layers of dead, flattened keratinocytes. ^[1][2] The thickness of the lucidum is controled by the rate of mitosis of the epidermal cells. In addition, melanocytes determine the darkness of the stratum lucidum.

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Section of epidermis

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v • d • e Integumentary system (TA A16, GA 10.1062) Skin Epidermis Stratum corneum · Stratum lucidum · Stratum granulosum · Stratum spinosum · Stratum germinativum (basale) Basement membrane zone Basal keratinocyte · Lamina lucida · Lamina densa Dermis Papillary · Reticular Subcutaneous tissue Panniculus adiposus · Panniculus carnosus · Stratum membranosum · Loose connective tissue · Superficial fascia Adnexa Glands Sweat glands: Apocrine · Eccrine Sebaceous Hair Outer root sheath Inner root sheath Shaft Cuticle · Cortex · Medulla · Bulb with matrix cells · Hair papilla Muscle Arrector pili Nail Matrix · Lunula · Nail plate · Eponychium · Paronychium · Hyponychium Other Skin flora integument, SF, LCT navs: anat/physio, noncongen/congen/neoplasia, symptoms+signs/eponymous, proc skin appendage navs: anat, noncongen/congen/neoplasia, symptoms+signs/eponymous, proc

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