Body Region: Head & Skull

  • May 2, 2026
    The inferior oblique is one of the six extra-ocular muscles, the only one not arising from the orbital apex. It…
  • May 2, 2026
    The superior oblique is the longest and thinnest extra-ocular muscle, redirected by the trochlear pulley at the medial orbital wall,…
  • May 2, 2026
    The superior rectus is the primary elevator of the abducted eye, arising from the orbital apex common tendinous ring with…
  • May 2, 2026
    The inferior rectus depresses the abducted eye and is associated with the lower eyelid retractors, explaining why inferior rectus palsy…
  • May 2, 2026
    The medial rectus is the primary adductor of the eye and the strongest extra-ocular muscle by cross-sectional area, reflecting the…
  • May 2, 2026
    The lateral rectus is the only extra-ocular muscle supplied by the abducens nerve (CN VI), making CN VI palsy the…
  • May 2, 2026
    The occipitofrontalis is the complete epicranial muscle, consisting of the frontal belly (frontalis) anteriorly and the occipital belly (occipitalis) posteriorly,…
  • May 2, 2026
    The auricularis anterior is one of three auricular muscles (with superior and posterior) that move the external ear in mammals.…
  • May 2, 2026
    The stapedius is the smallest named muscle in the human body, measuring approximately 1 millimetre in length, housed in the…
  • May 2, 2026
    The tensor tympani is the larger of the two middle ear muscles, wrapping around the cochleariform process to pull the…

This website uses cookies to enhance your browsing experience and ensure the site functions properly. By continuing to use this site, you acknowledge and accept our use of cookies.

Accept All Accept Required Only