Anatomy, phtsiology & hystology of the skin презентация

The Skin Hypodermis (subcutaneous fatty tissue) Dermis the true skin   Epidermis  

Слайд 1
Ministry of Health Protection of the Ukraine
Zaporozhye state medical university
Department of

skin and venereal diseases
Anatomy, phtsiology & hystology of the skin.
Primary & secondary morphological elements
Zaporozhye 2016

Слайд 2The Skin

Hypodermis (subcutaneous fatty tissue)
Dermis the true skin
  Epidermis

 


Слайд 3Anatomy, phtsiology & hystology of the skin.
I – Epidermis

II- Dermis III - Hypodermis



Слайд 4Epidermis
Stratum basale - Germinatinne layer
Stratum spinosum - Prikle – cell layer
Stratum

granulosum - Granular layer
Stratum lucidum - lucid layer
Stratum corneum - Horny layer

Слайд 5Epidermis
1.Stratum basale (germinative layer)
Keratinoblastis (1 layer, like a polisade).
Melanoblastis (their ratio

is 1:11 to keratinoblastis).
young cells, are devided by mitosis, and form all the structures of epidermis.
Melanin is formed in the melanoblastis and protects the skin from ultraviolet rays.

Слайд 6Epidermis
2. Stratum spinosum (pricle-cell layer)
Dendritic epidermocytis (5-7 layers)
Langhan’s cells
Hrenstayin’s cells
3. Stratum

granulosum (granular layer)
1-2 layers of elongated cells. There are keratohyalinis granuls in the protoplasm of these cells.

Слайд 7Epidermis
4. Stratum lucidum (lucid layer)
These cells contain eleidin. Str. lucidum

contains glycogens, lipoids, fatty acids.
5. Stratum corneum (horny layer)
It is composed of fine, anuclear keratinised elongated cells containing keratin.


Слайд 8Dermis (the true skin)  
Structural amorphous interstitial substance:
collagenous fibres
elastics fibres
argyrophile fibres
vessels
nerves an

nerve endings
 


Слайд 9Dermis (the true skin)
True homogeneous membrane
Lipoids
Mucopolysaccharides (mainly, hyaluronic and chondroitin

– sulfuric acids)
Albuminis
Water
 


Слайд 10Dermis (the true skin)
Cells structure
Fibroblasts
Histiocytes
Lymphocytes
Mast cells
Plasma cells
Melanophages
Epithelial appendages of the skin
 


Слайд 11Protective (barrier) functions of the skin
Protects the organism from the

damaging effect of sun rays
Physiology desquamation
Protect the underlying tissue from drying
Homogeneous tightness of substanal protects from mechanical effects (blows, friction, compression)


Слайд 12Protective (barrier) functions of the skin
An acid (pH5.0-6,0) water-lipid mantle

which attenuatus or neutralizis the damaging effect of chemical substances.
Bactericidal properties of sweat (lisocini) and sebum (squaleni)
Immynological function. Skin associated limphoid tissue. Salt
Resistance to electric current



Слайд 13Hystology of the skin


Слайд 14Hystology of the skin


Слайд 15Hystology of the skin


Слайд 16Hystology of the skin


Слайд 19spot
spot
spot
Tubercle
(tuberculum)
Wheal
(urtica)
Primary morphological lesion
papula


Слайд 20Primary morphological lesion
Pustule
(pustula)
Phlyctena
Staphyloccal impetigo
Nodule
(nodus)
Vesicle (vesicula)
Blister
(bulla)


Слайд 21Secondary morphological lesion
hyperpigmentation
hypopigmentation
sqale
erozion
ulcer
fissura


Слайд 22Secondary morphological lesion
crust
crust
crust
scar
vegetatio
lichenificatio


Слайд 23Thank you for attention


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