Category: E

Inflammation of tissues contiguous to the mastoid process.  

The muscle fibers surrounding a muscle spindle.  

An instrument for removing foreign bodies. Varieties include esophageal, throat, bronchial, and tissue extractors.  

A surgical technique for cataract removal. The nucleus, cortex, and anterior capsule are removed; the posterior capsule is left intact. This is often done by phacoemulsification under local anesthesia using a microscope.  

Outside the corticospinal tract of the central nervous system.  

A device used to fragment calcified objects within the body, such as kidney stones. After the patient is given analgesics and anesthetic drugs, electrically generated shock waves are focused on the object in an attempt to disrupt it. In the case of kidney stones and gallstones, the stone fragments may subsequently pass either into the…

An external device that oxygenates blood delivered to it from the body and then returns it to the patient. It has been used experimentally in patients with acute respiratory failure. It has also been used to treat newborns with meconium aspiration syndrome, pneumonia, and persistent pulmonary hypertension, who have failed to respond to standard treatments.…

The spread of a tumor outside the organ in which it arose, specifically, outside the tissue that separates the organ from neighboring anatomical structures,  

To abolish, especially to remove a reflex, by surgical, psychological, or pharmacological means, depending on the type of reflex involved.  

A device for holding fractured bones in place by use of external rather than internal fixation.