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4672418
Skin
Description
A brief breakdown of the layers, innervation and function of skin and its specialisations
No tags specified
physiology
medical
medicine
dermatology
medical sciences
skin
movement
20 credits
Mind Map by
Ryan Madden
, updated more than 1 year ago
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Created by
Ryan Madden
over 8 years ago
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Resource summary
Skin
Skin
Layers of Skin
Epidermis
Stratum Basale
First layer
The division cells
Stratum Spinosum
Second layer
Dermosomes formed - Strength
Stratum Granulosum
Third layer
most keratin secreted
Granules secreted
Stratum Luciderm
fourth layer
Organelles die
Stratum Cornium
final layer
dead cells, stacked
Dermis
Papillary
Vascular
Lymph and nerve
Reticular
Collagen and elastin fibres
Hypodermis
Epidermal junction
Structure
type 4 collagen
GAGs
Glycoproteins
Function
adhesion between layer
barrier
organisation of cells
Appendages/ Specialisations
Hair
Thermoregulation
Sweat glands
Eccrine
Sweat
Apocrine
localised aromatic sweat
Sebaceous gland
secrete oily grease (waterprooifing
Functions
Barrier and protection
Sensation
Metabolism and storage
Thermoregulation
Cell types
Laangerhaan cells
Immuno function
Keratinocytes
structural protein secretion
Merkel cells
Neuroendocrine function
Melanocyte
Skin pigmentation
Innervation of skin
Sensory - Afferent nerve endings
Pacinian corpuscle
Deep pressure and vibration
Hypodermis
Modified Scwann cells
Meissners corpuscle
Papillary dermis
Mechano-receptors - light pressure
Ruffini corpuscle
Mechanoreceptors - stretching of skin
Free nerve endings
Pain, Itch, temperature
Papillary Dermis
Efferent nerve endings
Blood vessel diametre and blood flow
Thermo regulation communication
Healing
Resolution
replace with cell
minimal or no scarring
Repair
replace with connective tissue
Scarring
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