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Tissue Types (muscle tissue (Cardiac muscle: muscle layer in heart, Smooth…

- - - - Loose connective tissue (fewer fibers, more ground substance. Areolar, Adipose, Reticular
      - Dense connective tissue (more fivers less ground substance. Regular, irregular, elastic
    - - Cartilage: semisolid matrix. Hyaline, fibrocartilage, elastic
      - Bone: solid matrix. Compact, spongy
    - - Blood
      - Lymph
- - - - Intercellular junctions: bind together epithelial cells
        
        Desmosome: attaches to neighbors only at potential stress points
        
        Gap junction: formed across the intercellular gap between neighboring cells
        
        Adhering junctions: formed completely around the cell in zones with extensive microfilaments extending from the cytoplasm into the plasma membrane
        
        Tight junctions: encircle epithelial cells near apical surface and attach each cell to its neighbor
      - Basement membrane: thin extracellular layer between the epithelium and the underlying connective tissue. Functions as physical support, anchoring, and a barrier to regulate the movement of large molecules
  - - - Simple Columnar: Single layer of tall, narrow, cells for secretion of mucin and movement of mucus along apical surface
      - Simple Cuboidal: Single layer of spherical cells for absorption and secretion
      - Pseudostratified Columnar: single layer of cells with varying heights that appear multilayered used for protection
      - Simple Squamous: single layer of thin, flat, irregular shaped cells for rapid diffusion and filtration
      - Transitional: Appearance varies depending whether the tissue is stretched or relaxed, functions are distension and relaxation to accommodate urine volume changes
      - Stratified Squamous: multiple cell layers with basal cells cuboidal or polyhedral and apical cells flattened and squamous. Adapted to protect underlying tissues from damage