#urology
- Acromiotonia — A pathophysiological condition characterized by a state of marked muscular hypertonia, rigidity, or persistent muscular contracture localized strictly within the body's extremities (hands and feet). This complex neuromuscular phenomenon reflects a structural disruption of myotatic reflexes, typically encountered in pyramidal or extrapyramidal disorders, brainstem lesions, or central motor-neuron disturbances.
- Acroneurosis — A general clinical term designating a group of functional neurological disorders, vasomotor and trophic in nature, localized exclusively within the extremities of the body (hands and feet). This structural neuromuscular manifestation includes syndromes such as Raynaud's disease, acrocyanosis, or erythromelalgia, characterized by crises of pallor, cyanosis, intense pain, paresthesias, and local changes in skin temperature, without an initial destructive organic lesion of the vessels.
- Acroparesthesia — A subjective sensory disorder, episodic or permanent, manifested by abnormal sensations of numbness, tingling, prickling, or burning localized exclusively in the distal extremities of the body (hands and feet). This structural neurological phenomenon reflects irritation or compression of peripheral nerve fibers, serving as a cardinal symptom in carpal tunnel syndrome, metabolic peripheral neuropathies (such as diabetic neuropathy), or functional vasomotor disorders.
- Acropathy — A general medical term or broad clinical category designating any organic, trophic, destructive, or deforming condition localized exclusively in the distal extremities of the body (hands, feet, digits). This structural manifestation can have vascular, neurological, or endocrine causes, including within its scope diverse pathologies from acropachy and neuropathic trophic ulcerations to severe secondary osteoarticular deformities.
- Acroposthitis — An acute or chronic inflammatory pathological process localized strictly at the level of the prepuce (the distal cutaneous sheath of the penis). This structural urological condition is most frequently caused by bacterial, fungal (such as candidiasis), or viral infections, poor local hygiene, chemical irritations, or mechanical traumas, clinically manifesting through marked edema, erythema (redness), intense pain, pruritus, and abnormal discharge, being closely correlated or frequently coexisting with balanitis (inflammation of the glans) to form the clinical picture known as balanoposthitis.
- Adenodynia — A painful sensation localized within a gland or a lymph node, occurring as a result of an acute inflammatory process, vascular congestion, or a structural distension of the organ's capsule. This clinical symptom is equivalent to adenalgia and is frequently encountered in infectious lymphadenitis, mediated by the sensitivity of regional nerve receptors to palpation.
- Adenomectomy — A surgical intervention consisting of the complete extirpation or resection of an adenoma from an organ (most frequently applied in urology for removing a prostate adenoma or in endocrinology for pituitary or thyroid adenomas). This structural procedure aims to eliminate the compression exerted on surrounding tissues and restore the normal physiological functions of the affected system.
- Adiposuria — The pathological presence or elimination of fat droplets or lipid substances in the urine, occurring as a result of severe metabolic disorders, degenerative kidney lesions, or fat embolisms. This urinary structural phenomenon alters the macroscopic appearance of the fluid, requiring laboratory microscopic and biochemical analyses to identify the underlying cause of the deficient filtration within the renal glomeruli.
- Adipsia — An abnormal diminution, total absence, or loss of the sensation of thirst, manifested even under conditions of severe dehydration of the body. This structural clinical phenomenon is usually caused by lesions located within the anterior hypothalamus (the thirst center), secondary to tumors, head traumas, strokes, or congenital disorders, posing a major vital risk.
- Aerocystoscopy — A method of direct visual endoscopic examination of the inside of the urinary bladder using an aerocystoscope, after the cavity has been mechanically distended by insufflating sterile air or another gas. This diagnostic or therapeutic procedure allows a meticulous inspection of the bladder mucosa and small surgical interventions without using a liquid medium.
- Aerouretroscope — A precision urological medical instrument used for the direct visual examination of the interior of the urethra, structurally designed to allow the controlled insufflation of air or gas to dilate the urinary lumen and facilitate mucosa visualization. This technical device enables the diagnosis of strictures, cysts, or other specific urethral pathologies.
- Aphasia — A severe communication disorder consisting of the total or partial loss of the ability to speak, write, and understand articulate or written language, occurring in the absence of sensory deficits or vocal apparatus impairment. It is triggered by acquired organic lesions in the cerebral cortex, primarily affecting the language-dominant hemisphere.
- Afferentation — A foundational physiological process consisting of the continuous transmission of nerve impulses and excitations from peripheral receptor neurons to the central nervous system neurons and cerebral cortex.
- Aphimia — A specific form of motor aphasia characterized by the loss of the ability to execute the articulated movements required for speech, while comprehension and the peripheral vocal apparatus remain intact. In clinical neurology, aphimia is caused by focal lesions in the left frontal lobe.
- Ageusic — A person suffering from ageusia, exhibiting a total loss or a congenital or acquired absence of the sense of taste. As an adjective, it describes the state of an organism or a sensory system lacking the ability to perceive and distinguish basic tastes (sweet, salty, sour, bitter, umami).
- Ageusia — A total loss of the sense of taste, caused by lesions of the lingual mucosa, the afferent nerve pathways (facial, glossopharyngeal nerve), or the gustatory centers in the cerebral cortex. It can be congenital, but it is most frequently an acquired symptom following trauma, respiratory infections, or drug treatments.
- Agnosia — A neurological disorder characterized by an inability to recognize or interpret sensory impressions, such as objects, persons, sounds, or shapes, despite intact primary sensory organs and general intellectual functioning; it typically results from structural damage to the associative cerebral cortex.
- Agraphia — A neurological disorder characterized by the partial or complete loss of the ability to write, resulting from acquired brain damage to the dominant hemisphere, unrelated to motor paralysis of the hand or general intellectual impairment.
- Agrammatism — A neurological language disorder commonly associated with Broca's aphasia, characterized by the loss of the ability to produce grammatically correct sentences; patients exhibit a telegraphic speech style, omitting functional words such as prepositions, articles, and conjunctions.
- Akinesia — The total absence, loss, or pathological inability to execute voluntary muscular movements, while basic muscular strength is otherwise preserved; it is a severe clinical symptom structurally caused by major neurological dysfunctions within the basal ganglia, extrapyramidal pathways, or motor cortex. This phenomenon is characteristically found in advanced stages of Parkinson's disease, parkinsonian syndromes, catatonic states, or as a result of severe brain injuries, frequently manifesting in close association with muscular rigidity and bradykinesia.