Tongue & Skeletal Muscle Histology Identification Points

Diagram 

under the light microscopic view these structure can be seen

Identifying skeletal muscle and tongue tissue on histology slides involves recognizing specific features unique to each type of tissue. Here are key identification points for both skeletal muscle and tongue histology:

Skeletal Muscle:

1. Striated Appearance:

   • Skeletal muscle cells are characterized by a striated (striped) appearance under a light microscope.

2. Long, Cylindrical Cells:

   • Skeletal muscle cells are long and cylindrical in shape.
   • They can be multinucleated, with multiple nuclei located at the periphery of the cell.

3. Voluntary Control:

   • Skeletal muscle is under voluntary control, meaning it is consciously controlled by the nervous system.

4. Peripheral Nuclei:

   • Nuclei in skeletal muscle cells are located at the periphery (edge) of the cell.

5. Endomysium, Perimysium, and Epimysium:

   • Skeletal muscle is organized into bundles of muscle fibers surrounded by connective tissue.
   • The endomysium surrounds individual muscle fibers, the perimysium surrounds bundles of fibers, and the epimysium surrounds the entire muscle.

6. Tendon Attachment:

   • Skeletal muscles attach to bones via tendons, which are composed of dense connective tissue.

Tongue Tissue:

1. Striated and Smooth Muscle:

   • The tongue contains both skeletal muscle and smooth muscle.
   • Skeletal muscle is found in the body of the tongue, while smooth muscle is present in the intrinsic muscles.

2. Papillae:

   • The surface of the tongue contains papillae, small projections that can house taste buds.

3. Connective Tissue:

   • Tongue tissue contains connective tissue that provides structural support.

4. Mucous Membrane:

   • The surface of the tongue is covered by a mucous membrane, which may be stratified squamous epithelium.

5. Innervation:

   • The tongue is highly innervated, containing both motor and sensory nerves.

6. Taste Buds:

   • Taste buds are located within the papillae and are involved in the sensation of taste.

7. Blood Vessels:

• Tongue tissue has a rich blood supply to support its metabolic needs.
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