Epithelium (Surface+Glands)

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Transport of small molecules (Epithelium)

• Paracelullar

• Transcytosis

• Transcellular

• Fagocytosis

Intermediate filaments at epithelial cells

• Keratin

• Vimentin

• Desmin

• Neurofilaments

No criteria to classify epithelial tissue

• Presence of lateral specialisations

• Presence of apical specialisations

• Cell shape

• Number of cell layer

Proliferative function (epithelium)

• Desmosome

• Ciliated cells

• Microvilli

• Basal cell

Protective function (specific)

• Simple epithelium

• Pseudostratified epithelium

• Stratified epithelium

Distensibility function

• Simple epithelium

• Urothelium

• Stratified epithelium

Diffusion function

• Simple squamous epithelium

• Pseudostratified squamous epithelium

• Stratified squamous epithelium

Strata in nonkeratinized stratified epithelium

• Stratum corneum, lucidum, granulosum, spinosum, basale

• Stratum corneum, granulosum, spinosum, basale

• Stratum superficiale, spinosum, basale

• Stratum superficial, intermediate, desmosome, basal

No in a thin skin

• Stratum corneum

• Stratum lucidum

• Stratum granulosum

• Stratum spinosum

• Stratum basale