11-2 The Nervous System

The temporary electrical charge within a cell.

A radiologic study of an artery using a radiopaque medium.

A delicate, lacelike membrane covering the central nervous system.

A radiologic study of an artery using a radiopaque medium.

Pertaining to the sense of hearing; the external canal of the ear.

Spontaneous; the part of the nervous system concerned with reflex control of bodily functions.

An extension from a nerve cell.

Situated at or related to a center.

Lower or back brain below the posterior portion of the cerebrum.

The liquid that circulates within the meninges of the spinal cord and ventricles and meninges of the brain.

The largest part of the brain. It is divided into two hemispheres with four lobes in each hemisphere.

Refers to the Glascow Coma Scale used to determine level of consciousness.

a medical imaging method employing tomography in which digital geometry processing is used to generate a three-dimensional image of the internals of an object from a large series of two-dimensional x-ray images taken around a single axis rotation.

The skull; the eight bones of the head enclosing the brain; generally applied to the 28 bones of the head and face.

An extension from a nerve cell.

The outer membrane covering the brain and spinal cord

Recording of the electric currents generated by the brain; a tracing of brain waves.

The insertion of needles into selected skeletal muscles for the purpose of recording nerve conduction time in relation to muscle contraction.

Anterior; the forehead bone; refers to the plane drawn through the side of the body from the head to the foot.

A mass of nerve tissue that receives and sends out nerve impulses.

A structure of the brain between the cerebrum and the midbrain; lies below the thalamus.

Neurons connecting sensory to motor neurons.

The deep cleft between the two hemispheres of the cerebrum.

The insertion of a needle between the vertebrae in the lumbar area for the purpose of withdrawing spinal fluid.

A diagnostic test using magnetic waves to visualize internal body structures.

Enlarged portion of the spinal cord; the lower portion of the brainstem.

The membranes covering the brain and spinal cord.

The portion of the brain connecting the pons and the cerebellum.

A severe headache with characteristic symptoms.

Refers to the nerves that permit the body to respond to stimuli.

an X-ray examination of the spinal cord following an injection of a radiopaque material.

Pertaining to the back part of the head, the posterior lobe of the cerebrum.

Pertaining to the sense of smell.

Pertaining to the eye or sight.

A division of the autonomic nervous system.

Central portion of the cerebrum located on each side of the brain.

Pertaining to a portion of the nervous system; an item attached to a computer system.

Innermost of the three meninges of the brain and spinal cord.

A network of nerves.

A portion of the brainstem connecting the medulla oblongata and cerebellum with upper portions of the brain.

A form of imaging permitting visualizing the physiologic function of the body.

Inflammation and pain along the sciatic nerve felt at the back of the thigh running down the inside of the leg.

Refers to the nerves that receive and transmit stimuli from the sense organs.

A radiologic examination of the skull.

A disorder characterized by a defect in the spinal vertebrae with or without protrusion of the spinal cord and meninges.

The space between the pia mater and the arachnoid containing cerebrospinal fluid.

Beneath the dura mater; the space between the arachnoid and the dura mater.

A portion of the autonomic nervous system.

The minute space between the axon of one neuron and the dendrite of another.

The combination of symptoms with a disease or disorder.

Relating to the Temporal bone on the skull.

A portion of the brain lying between the cerebrum and the midbrain.

The chest; the body cavity enclosed by the ribs and containing the heart and lungs.

One of the two lower chambers of the heart; also used in reference to cavities within the brain.