striated

(noun)

The striped appearance of certain muscle types in which myofibrils are aligned to produce a constant directional tension.

Related Terms

  • cardiac muscle
  • smooth muscle
  • voluntary
  • involuntary
  • skeletal muscle

Examples of striated in the following topics:

  • Characteristics of Muscle Tissue

    • Muscle tissue can be classified functionally, voluntary or involuntary and morphologically striated or non-striated.
    • Morphologically skeletal myocytes are elongated and tubular and appear striated with multiple peripheral nuclei.
    • As with skeletal muscle cardiac muscle is striated, however it is not consciously controlled and so is involuntary.
    • Smooth muscle is non-striated, although it contains the same myofilaments they are just organised differently, and involuntary.
    • Cardiac and skeletal muscle are both striated in appearance, while smooth muscle is not.
  • Types of Muscle Tissue

    • Skeletal muscles are voluntary and striated in nature that allow movement of an organism by the deliberate generation of force.
    • Skeletal muscle is striated, multinucleate, and involuntary.
    • It is generally uninucleate, but is striated.
    • Cardiac muscle is striated, similar to skeletal muscle, but beats involuntarily.
  • Microscopic Anatomy

    • Cardiac muscle appears striated due to the presence of sarcomeres, the highly-organized basic functional unit of muscle tissue.
    • Cardiac muscle, like skeletal muscle, appears striated due to the organization of muscle tissue into sarcomeres.
  • Esophagus

    • The esophageal tube in humans is comprised of two main layers of smooth muscle, though striated muscle comprises the tube near the pharynx.
  • Urethra

    • The external urethral sphincter is a striated muscle that allows voluntary control over urination by controlling flow of urine from the bladder into the urethra.
  • Oculomotor (III) Nerve

    • The muscles it controls are the striated muscle in the levator palpebrae superioris and all extraocular muscles, except for the superior oblique muscle and the lateral rectus muscle.
  • Layers of the Heart Walls

    • Cardiac muscle tissue is also striated (forming protein bands) and contains tubules and gap junctions, unlike skeletal muscle tissue.
  • Muscle Development

    • Serum response factor (SRF) plays a central role during myogenesis, being required for the expression of striated alpha-actin genes.
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