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  • The Gemelli are two small muscular fasciculi, accessories to the tendon of the Obturator internus which is received into a groove between them.

    IV. Myology. 8b. The Muscles and Fasciæ of the Thigh

  • Other muscles used for mastication are the ptergoids internus and ptergoids externus.

    Muscles Part 2

  • The _flexor carpiradialis_ (flexor metacarpi internus) originates from the medial epicondyle of the humerus.

    Lameness of the Horse Veterinary Practitioners' Series, No. 1

  • -- The obturator nerve, situated at first under the peritoneum, accompanies the obturator artery through the obturator foramen and gaining the muscles on the internal face of the thigh, terminates in the obturator externus, adductors, pectineus and gracilis, also giving twigs to the obturator internus (Strangeways).

    Lameness of the Horse Veterinary Practitioners' Series, No. 1

  • The tendinous sheath given off from the long adductor muscle, crossing the vessels, and becoming adherent to the vastus internus muscle.

    Surgical Anatomy

  • This will reveal the median nerve itself situated upon the red fibres of the flexor metacarpi internus muscle.

    Diseases of the Horse's Foot

  • B, external rectus, divided and turned downward, to expose the internus rectus;

    A Practical Physiology

  • The aperture, through which the light now enters from its further end, and from a height of one hundred and twenty feet, was till lately not known to exist; it not being supposed that the _Ear_ had any _meatus internus_ corresponding with the _external one_.

    Blackwood's Edinburgh Magazine, Volume 59, No. 363, January, 1846

  • A prominence, of variable size, occurs at the junction of the upper part of the neck with the greater trochanter, and is called the tubercle of the femur; it is the point of meeting of five muscles: the Glutæus minimus laterally, the Vastus lateralis below, and the tendon of the Obturator internus and two Gemelli above.

    II. Osteology. 6c. 3. The Femur

  • The medial surface, of much less extent than the lateral, presents at its base a deep depression, the trochanteric fossa (digital fossa), for the insertion of the tendon of the Obturator externus, and above and in front of this an impression for the insertion of the Obsturator internus and Gemelli.

    II. Osteology. 6c. 3. The Femur


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  • "There is no sound more complex and unfathomable, no sound more individualized, than the human voice. Normally the vocal cords are relaxed with their entire register. But if the volume is increased, the tension and internus activity is also increased, and with that comes a change in pitch; this is how one does Tyrolean yodelling, how gentlemen with fruit stalls offer bananas for sale, how clowns reach the rows furthest back, how children shout, how KlaraMaria had laughed."

    - 'The Quiet Girl', Peter Høeg.

    March 18, 2008