General Library

A noninvasive, non-x-ray diagnostic procedure based on magnetic fields of hydrogen atoms within the body.  A magnet linked to a computer is used to create images of the body’s internal tissues and organs.  

Refers to cells or tumors growing progressively and in an uncontrolled fashion. Such growths may spread to and disrupt nearby normal tissue or reach distant sites via the bloodstream.

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A type of soft tissue sarcoma that develops in the cells that form a protective sheath (covering) around peripheral nerves, which are the nerves that are outside of the central nervous system.

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central nervous system (CNS) ; nerve ; nerve sheath ; nerve sheath tumor ; peripheral nervous system (PNS) ; sarcoma

See trigeminal neuritis.

Inflammation of the masticatory (chewing) muscles causing trismus/lockjaw.

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Toward the midline of the body or structure.

Caudal aspect of the brainstem located between the pons and the spinal cord which helps control involuntary function such as digestion and breathing; also called myelencephalon.

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brainstem ; caudal ; myelencephalon ; pons ; spinal cord

A cerebellar tumor composed of neuroepithelial cells.

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Interruption of the reflexes that cause contraction and relaxation of the esophageal muscles resulting in dilation and loss of tone of the espophagus.

Abnormally large, heavy, and usually malfunctioning brain; thought to be related to a disturbance in the regulation of cell reproduction or proliferation.