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The stratum compactum is the comparatively deeper, more compacted and more cohesive part of the stratum corneum. [6] The corneocytes of the stratum disjunctum are larger, more rigid and more hydrophobic than those of the stratum compactum. [7] Research on osmotic permeability suggests the stratum compactum consists of two layers.
68668 Ensembl ENSG00000167754 ENSMUSG00000074155 UniProt Q9Y337 n/a RefSeq (mRNA) NM_001077491 NM_001077492 NM_012427 NM_026806 RefSeq (protein) NP_001070959 NP_001070960 NP_036559 n/a Location (UCSC) Chr 19: 50.94 – 50.95 Mb Chr 7: 43.49 – 43.5 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Kallikrein-5, formerly known as stratum corneum tryptic enzyme (SCTE), is a serine ...
The ability of the skin to hold water is primarily due to the stratum corneum and is critical for maintaining healthy skin. [24] Skin hydration is quantified using corneometry. [25] Lipids arranged through a gradient and in an organized manner between the cells of the stratum corneum form a barrier to transepidermal water loss. [26] [27]
The lipids ultimately form the lamellar lipid bilayer that surrounds corneocytes and also contributes to the permeability barrier homeostasis of the stratum corneum. [12] The homeostasis function is regulated by the calcium gradient in the epidermis. [17] Usually the calcium level is very low in stratum corneum, but high in stratum granulosum.
Peeling skin syndrome in the legs and feet. Peeling skin syndrome (also known as acral peeling skin syndrome, continual peeling skin syndrome, familial continual skin peeling, idiopathic deciduous skin, and keratolysis exfoliativa congenita [1]) is an autosomal recessive disorder characterized by lifelong peeling of the stratum corneum, and may be associated with pruritus, short stature, and ...
Hyperkeratosis is thickening of the stratum corneum (the outermost layer of the epidermis, or skin), often associated with the presence of an abnormal quantity of keratin, [1] and is usually accompanied by an increase in the granular layer. As the corneum layer normally varies greatly in thickness in different sites, some experience is needed ...
Munro's microabscess is an abscess (collection of neutrophils) in the stratum corneum of the epidermis due to the infiltration of neutrophils from papillary dermis into the epidermal stratum corneum. They are a cardinal sign of psoriasis [1] where they are seen in the hyperkeratotic and parakeratotic areas of the stratum corneum. [2]
Keratinization is the differentiation of keratinocytes in the stratum granulosum into nonvital surface cells or squames to form the stratum corneum. The cells terminally differentiate as they migrate to the surface from the stratum basale where the progenitor cells are located to the superficial surface.