the skin presentation
DESCRIPTION
The Skin PresentationTRANSCRIPT
The Skin
Cutaneous membrane Accessory structure
DermisEpidermis
Papillary layer Reticular layer
nailsHair follicle
Exocrine gland
Epidermis composed of cells
Keratinocytes
Melanocytes
Langerhan’s cell
Merkel cells
DERMIS
It is a soft connective tissue, composed of
• Collagen fiber : Type I until VII
• Elastic fiber
• Ground substance: proteoglycans and fibronectins
• Nerve
• Blood vessel
• Lymphaticts
• Epermal appendages
• Free cells : macrophage, leucocyte, fibroblast,
Recent study has described “ Dermal perivascular dendritic macrophage” expressing MHC class II antigens
Physical protection from environmental hazards
Thermoregulator Excretion
Sensory information Synthesis of vitamin D 3
Coordination of immune response to pathogens
and cancer in skin
Integumantary System