Mindblown: a blog about philosophy.

  • Pacing catheter

    A cardiac catheter with electrodes at the end that is inserted into the patient’s right ventricle to artificially regulate heart rhythm. A catheter inserted most commonly into the right side of the heart via the brachial, femoral, internal jugular, or subclavian vein for temporary pacing of the heart. The pacing wires or leads provide the…

  • Oxytocin challenge test

    Infusion of intravenous oxytocin to stimulate contractions. External fetal monitoring performed on pregnant women to assess the health of the fetus using the hormone oxytocin to stimulate uterine contractions. The pregnant woman is given an intravenous solution of oxytocin and the doctor observes the reaction of the fetus to the stress of the contractions to…

  • Osteodysplasty

    Generalized skeletal dysplasia with prominent forehead and small mandible; irregular ribbon-like constrictions of the ribs and tubular bones demonstrated on x-rays.  

  • Os pubis

    Pubic bone; one of three bones that fuse together to form the hip bone.  

  • Orthotonos

    Type of tetanic spasm where the limbs, neck, and trunk are held in a rigid, straight line. Tetanic spasm marked by rigidity of the body in a straight line.  

  • Orchidoplasty

    Surgical reconstruction of a testicle.  

  • Orbicularis oris muscle

    Muscle that compresses the lips. A circular muscle of the face originating on other muscles around the mouth whose mainly circular fibers are inserted in the skin at the corners of the mouth. It closes and purses the lips and is controlled by the facial nerve. Flat band of muscle around the upper and lower…

  • Orbicularis oculi muscle

    Muscle that circles the eye. A circular muscle of the face originating on the frontal bone and maxilla of the medial wall of the orbit and inserted in the eyelid and skin encircling the eye. It closes the eye and is controlled by the facial nerve. Ring muscle of the eye socket; enables you to…

  • Orbicularis muscle

    Muscle that closes the eyelid.  

  • Oral cholecystography

    Radiological procedure that uses orally ingested tablets of radiopaque contrast dye.  

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