ALLODYNIA = feeling of pain due to a stimulus which does not normally provoke pain
DYSAESTHESIA= spontaneous or induced abnormal unpleasant feeling
HYPOAESTHESIA = reduced sensation of external stimuli
HYPERAESTHESIA = increased sensation of external stimuli
HYPERALGESIA = excessive sensitivity to stimuli which normally provoke only mild pain
HYPOALGESIA = reduced sensitivity to external painful stimuli
HYPERPATHY = cumulative reaction to a repeated external stimulus
PARAESTHESIA = abnormal sensation in any part of the body (usually in extremities) described as numbness, touch sensation, tickling, light tingling
SOMATOSENSORY RECEPTOR = sensory nociceptor
SOMATIC PAIN = pain in bones or/and muscles clearly localized and superficial
VISCERAL PAIN = deep, not clearly localized pain, due to damage or dysfunction of viscera
NEUROPATHIC PAIN = pain due to impairment or dysfunction of the peripheral or central nervous system
NEURALGIA = pain along a nerve pathway
RADICULITIS = inflammation of a nerve root arising from the spine
RADICULOPATHY = painuful dysfunction of a nerve root due to inflammatory or traumatic aetiology
NEUROLYSIS = therapeutic ablation of a nerve or/and ganglion with application of radiofrequency or injection of substances, such as phenol or alcohool
PAIN THRESHOLD = the lowest intensity limit of a stimulus causing pain
TOLERANCE = need for a larger dose of an administered drug to achieve the same therapeutic result
PHYSICAL DEPENDENCE = a condition where an intense disturbance is manifested with abrupt discontinuation of narcotic substances
ADDICTION = psychological dependence on a substance resulting in the user’s pathological and excessive craving for this substance
ANALGESIA = absence of the feeling of pain as response to a pain stimulus
ANAESTHESIA DOLOROSA = pain in a region which is already under anaesthesia
PAIN = an unpleasant sensory and emotional experience accompanied by an actual or potential impairment, or is described as such
