Histology Atlas Curriculum

Muscle tissue

Muscle tissue is specialised for contraction and so effects movement of our body, the pumping action of the chambers of our heart and changes the size and shape of many internal organs.

Learning outcomes

After viewing the histological images and interactive text in this module you should

  • recognize skeletal striated muscle, cardiac striated muscle and smooth muscle in longitudinal and transverse section.
  • recognize the following structures associated with:

Skeletal striated muscle

skeletal muscle fiber
relaxed band pattern
contracted band pattern
A band, I band, Z line
muscle spindle
intrafusal fibers
extrafusal fibers

Cardiac striated muscle

branching fibers
cross bands
central nuclei
intercalated disks stained with PAS and stained with H&E

Smooth muscle

nucleus (contracted and resting)

Learning Modules

Smooth muscle

Cardiac muscle

Neuromuscular junction (motor endplate; LM)

Muscle spindle

Skeletal muscle

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