Ch. 13 Terms - Pathophysiology for the Health Professions

Meaning toward the center, referring to nerves that carry nerve impulses toward the central nervous system.

Relief from pain

Chemical mediator released during inflammation causing vasodilation.

A surgical procedure that disables selected pain-conducting tracts in the spinal cord, in order to achieve loss of pain and temperature perception.

Area of the skin from where nerve impulses are conducted.

Away from center, referring to nerve impulses that are conducted from the CNS to the muscles.

Substances are those that originate from within an organism, tissue, or cell.

Chemical released from mast cells and basophils during immune reactions, causes vasodilation and bronchoconstriction.

Resistant to treatment, pain that cannot be relieved by drugs.

Decreased blood supply to an organ or tissue.

Neurotransmitters are endogenous chemicals that transmit signals from a neuron to a target cell across a synapse.

Receptors for pain stimuli.

Opiate-like chemicals that are released to block pain signals to the brain.

Drugs administered by injection.

A group of chemical substances in the body that can exert a variety of effects, such as vasodilation, muscle contraction, and inflammation.

Formation in the pons and medulla that influences the brain's awareness of the incoming pain stimuli.

Region in the brainstem that is involved in multiple tasks such as regulating the sleep-wake cycle and filtering incoming stimuli to discriminate irrelevant background stimuli.

A neurosurgical procedure that selectively destroys problematic nerve roots in the spinal cord.

A substance that induces sedation by reducing irritability or excitement.

A substance that functions as a neurotransmitter and as a neuromodulator.

High heart rate