Anatomy, phtsiology & hystology of the skin

The Skin

Hypodermis (subcutaneous fatty tissue)
Dermis the true skin
  Epidermis

Anatomy, phtsiology & hystology of the skin.

I – Epidermis II- Dermis

Epidermis

Stratum basale - Germinatinne layer
Stratum spinosum - Prikle – cell layer
Stratum

Epidermis

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

Epidermis

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

Epidermis

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

Dermis (the true skin)  

Structural amorphous interstitial substance:
collagenous fibres
elastics fibres
argyrophile fibres
vessels
nerves an

Dermis (the true skin)

True homogeneous membrane
Lipoids
Mucopolysaccharides (mainly, hyaluronic and chondroitin

Dermis (the true skin)

Cells structure
Fibroblasts
Histiocytes
Lymphocytes
Mast cells
Plasma cells
Melanophages
Epithelial appendages of the skin

Protective (barrier) functions of the skin

Protects the organism from the

Protective (barrier) functions of the skin

An acid (pH5.0-6,0) water-lipid mantle

Hystology of the skin

Hystology of the skin

Hystology of the skin

Hystology of the skin

spot

spot

spot

Tubercle
(tuberculum)

Wheal
(urtica)

Primary morphological lesion

papula

Primary morphological lesion

Pustule
(pustula)

Phlyctena

Staphyloccal impetigo

Nodule
(nodus)

Vesicle (vesicula)

Blister
(bulla)

Secondary morphological lesion

hyperpigmentation

hypopigmentation

sqale

erozion

ulcer

fissura

Secondary morphological lesion

crust

crust

crust

scar

vegetatio

lichenificatio