Tissues

• Tissues - group of cells
• Histology - microscopic study of tissues
• Two Classifications of Epithelium according to cell layers: Simple Epithelium and Stratified Epithelium
• Classification of Epithelium according to Cell Shape: Squamous, Cuboidal, and Columnar
• Simple epithelium - is made of single layer of cells
• Stratified Epithelium - more than one layer of cells
• Pseudostratified Epithelium - closely packed cells arranged in layers because it differ in sizes but is actually just one layer
• Simple Squamous Epithelium

  
• Simple Cuboidal Epithelium

  
• Simple Cuboidal Epithelium

  
• Pseudostratified Columnar Epithelium

  
• Pseudostratified Columnar Epithelium

  
• Transitional Epithelium

  
• Transitional Epithelium