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Connective Tissue

  1. Occurs throughout the body, represents most abundant tissue type by weight.
  2. Cells are far apart.
  3. Abundance of intercellular matrix between cells
  4. Cells are able to reproduce and usually have a good blood supply.

    Major Cell Types

    Connective tissue fibre types

    Functions of Connective Tissue


    Loose aerolar Connective

    Loose aerolar slide

    Identifying Features

    Functions

    Locations

    Between muscles, forms subcutaneous tissues of skin, wraps small blood vessels and nerves, surrounds glands, forms laminar propria of mucous membranes.

    Dense Fibrous

    Identifying Features

    Function

    Binds organs together.

    Locations

    Ligaments, tendons, skin.

    Elastic

    Identifying Features

    Function

    Gives elastic quality.

    Location

    Between adjacent vertibrae, walls of airways.

    Adipose

    Identifying Feature

    Large fat filled cells (nuclei not visible here, but usually squished to outside of cell). Compared to other connective tissues it is very cellular.

    Functions

    Location

    Under the skin (subcutaneous tissue), around kidneys, bone marrow (yellow), behind the eyeballs, breasts.

    Hyaline Cartilage

    Identifying Features

    Functions

    Locations

    Ends of bones, parts of nose, walls of trachea, connects ribs to sternum, forms part of larynx, forms part of bronchial tree, epiphyseal plates.

    Fibro Cartilage

    Identifying Features

    Functions

    Location

    Pubis symphysis of pelvic girdle, intervertebral disks, knee.

    Elastic Cartilage

    Identifying Features

    Functions

    Location

    Makes up framework for parts of the ear, larynx and epiglottis.

    Reticular

    Identifying Features

    Function

    Support

    Location

    Walls of liver and spleen

    Blood

    Identifying Features

    Functions

    Location

    Inside blood vessels

    Bone

    Note: This is compact bone.

    Identifying Features

    Functions

    Location (Compact bone)

    This bone is found in the shafts of long bones.
    Tissue Index