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La Epidermis
 

La Epidermis

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    La Epidermis La Epidermis Presentation Transcript

    • LA EPI DER MIS
    • QUERATINOCITOS ESTRACTO CÓRNEO ESTRACTO BASAL ESTRACTO ESPINOSO DESMOSOMAS ESTRACTO GRANULOSO
    • PSORIASIS PSORIASIS PALMAR PSORIASIS VULGAR PSORIASIS PUSTIULOSA PSORIASIS PLANTAR
    • .- DERMIS PAPILAR: Forma crestas denominadas “Papilas Dérmicas”. Aporta nutrientes a la epidermis. .-RETICULAR o “Corion”: Aporta resistencia a la piel.
    • TIPOS DE MELANINA : .- Eumelanina .- Feomelanina .- Tricocromos .- Melaninas tipo mixto
      • BIOSÍNTESIS DE LA MELANINA
      Tirosina Oxígeno + Tirosinasa DOPA Dopaquinona Cisteina Intermediarios indólicos CisteinildopasTirosina Eumelaninas Melaninas de tipo mixto Feomelaninas Tricocromos Dopaquinona Cisteina