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Glossary

  • Accommodation The property of a nerve by which it adjusts to a slowly increasing strength of stimulus so that the strength at which excitation occurs is greater than it would be were the strength to have risen more gradually
  • Acroparesthesia Paresthesia of an extremity or an extreme degree of paresthesia
  • Adynamia Weakness
  • Afferent Bringing to or into as in nerves transmitting information to the spinal cord
  • Alexithymia A state of restricted cognitive and affective characteristics that are common in patients with psychosomatic disorders
  • Algesia A state of increased sensitivity to pain
  • Algodystrophy Sympathetic dystrophy
  • Allesthesia (Allaesthesia) A form of allochesthesia in which the sensation of a stimulus in one limb is referred to the opposite limb
  • Allocheiria (Allochiria) Allesthesia
  • Allochesthesia A condition in which a sensation is referred to a point other than that to which the stimulus is applied
  • Allodynia Any stimulus that results in pain
  • Alloesthesia (Alloaesthesia) Allesthesia
  • Analgesia Loss of sensibility to pain
  • Analgesia Algera Anesthesia dolorosa
  • Anesthesia (Anaesthesia) Total loss of all forms of sensation
  • Anesthesia Dolorosa Spontaneous pain in a part, associated with loss of sensibility
  • Antidromic Propagation of an impulse along a nerve in a direction the reverse of normal
  • Arthrodesis The stiffening of a joint by operative means
  • Arthrosis A trophic degeneration of a joint
  • Asymbolia Loss of the power of appreciation by touch of the form and nature of an object
  • Auriculotherapy A form of acupuncture in which points in the ear are stimulated
  • Axonotmesis Interruption of the axons of a nerve without severance of the supporting structure
  • Biofeedback A training technique used to gain voluntary control over autonomic functions
  • Blepharospasm Spasmodic winking of the orbicularis muscle
  • Bruxism Grinding together of the teeth
  • Capsaicin A pungent alkaloid found in red peppers
  • Causalgia Sustained burning pain after a traumatic nerve lesion combined with vasomotor or sudomotor dysfunction and late trophic changes
  • Central pain Spontaneous pain and painful overreaction to objective stimulation resulting from lesions confined to the substance of the central nervous system
  • Cholecystokinin A peptide first described as a gastrointestinal hormone. It is also a potent analgesic
  • Coccydynia (Coccygodynia) (Coccygalgia) (Coccyodynia) Pain in the coccygeal region often caused by a disorder of the sacrococcygeal joint
  • Commissural Fibers A bundle of nerve fibers passing from one side to the other in the brain or spinal cord
  • Cordectomy Excision of a part of the spinal cord
  • Cordotomy (Chordotomy) Division of tracts of the spinal cord by various techniques
  • Cortectomy Excision of part of the cortex
  • Cryalgesia Pain caused by cold
  • Cryesthesia Sensitiveness to cold
  • Cryoanalgesia Pain relief by cold, commonly by freezing nerves with a probe
  • Deafferentation A loss of sensory nerve fibers from a portion of the body
  • Dermatome The area of skin supplied by a single afferent nerve fiber from a single dorsal root
  • Dynorphin One of three classes of opioid peptides. The others are β-endorphin and enkephalins
  • Dysesthesia A condition in which a disagreeable sensation is produced by ordinary stimuli
  • Dysnosognosia A psychopathologic state of abnormal illness behavior
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