#syndrome
- Abaza syndrome — A term used clinically in the context of historical medical eponyms (such as Abaza's disease or Abaza's syndrome), describing somatic manifestations associated with neurasthenia, autonomic instability, or cardiovascular psychosomatic disorders documented in early Eastern European medical literature. In a general sense, it can also refer to the Abaza test or sign historically used to evaluate neuromuscular fatigue reflexes or vascular reactivity in patients with neurotic disorders.
- Abbado syndrome — Abbado syndrome (rarely mentioned in clinical literature) or clinical references associated with the name Abbado represent neurological signs correlated with extrapyramidal motor dysfunctions or cases documented in Italian medical genetics studies.
- Abbasi clinical syndrome — Abbasi syndrome refers to a rare eponymic designation found in medical genetics and hematology reports, associated with the description of specific familial cases of congenital anemia or iron storage disorders documented in Middle Eastern clinical studies.
- Abe syndrome — A medical eponym linked to researchers in the field of clinical genetics and neuropsychiatry, primarily used to denote the Abe syndrome (or rare East Asian microdeletion/neurodevelopmental variants). It is characterized by severe intellectual disability, distinct craniofacial anomalies, congenital muscular hypotonia, and autistic spectrum behavioral manifestations, studied within the differential diagnosis of neuro-somatic developmental anomalies.
- Abel syndrome — A medical eponym correlated with the names of researchers in the field of clinical genetics and biochemistry, primarily used to identify the Abel syndrome (a rare metabolic storage or congenital malformation disorder). In pediatric semiology and neurodevelopment, the Abel symptomatic complex associates severe intellectual disability, characteristic facial dysmorphic features, skeletal anomalies, and profound neuro-muscular hypotonia, requiring specialist multidisciplinary monitoring.
- Acrogeria — A rare congenital structural disorder characterized by premature aging, severe atrophy, and loss of subcutaneous adipose tissue localized exclusively within the extremities (hands and feet), also known as Gottron's syndrome.
- Acromacria — A rare congenital structural malformation or skeletal development anomaly characterized by the disproportionate, excessive length and thinning of the distal segments of the limbs, especially the digits.
- AIDS — International medical acronym for 'Acquired Immunodeficiency Syndrome', a chronic and potentially life-threatening condition caused by the human immunodeficiency virus (HIV). The virus structurally destroys the cells of the immune system, depriving the body of its capacity to fight opportunistic infections and malignancies, with the AIDS stage representing the advanced clinical phase of the infection.
- Ajmalină — An alkaloid extracted from the root of the tropical plant Rauwolfia serpentina, used in medicine as a class Ia antiarrhythmic agent; it acts by blocking sodium channels in myocardial cell membranes, thereby prolonging the heart's refractory period. It is primarily utilized for the electrocardiographic diagnosis of Brugada syndrome (the ajmaline challenge test) and in the emergency treatment of supraventricular tachycardias induced by Wolff-Parkinson-White syndrome.
- Alagille-related — The feminine singular form of the neological adjective 'alagic'; relating to, originating from, or structurally associated with Alagille syndrome, a rare systemic genetic disorder characterized by the hypoplasia of interlobular bile ducts, cardiovascular malformations, skeletal anomalies (butterfly vertebrae), and distinct facial features. In clinical terminology, it describes a pathological manifestation, an organic impairment, or a specific cellular anomaly diagnosed within this hereditary syndromic complex governed by mutations in the JAG1 or NOTCH2 genes.
- Aldosteronism — An endocrine clinical condition caused by the excessive, pathological secretion of the mineralocorticoid hormone aldosterone by the adrenal cortex. This metabolic disruption triggers massive sodium and water retention in the body, coupled with exaggerated potassium elimination, manifesting primarily as severe hypertension, chronic muscle weakness, and spasms.
- Algic — Pertaining to pain; caused by or manifested through physical pain. In clinical semiology and neurology, the adjective characterizes syndromes, crises, somatic reactions, or pathological manifestations dominated by acute or chronic nociceptive phenomena.
- Allotriophagy — A feeding and eating disorder or perversion of the nutritive instinct characterized by the irresistible impulse and pathological tendency to consume non-food, non-nutritive substances (such as soil, chalk, coal, ice, ash, paper, or hair). This structural clinical phenomenon is clinically associated with pica syndrome, encountered in severe anemias, grave mineral deficiencies, pregnancy, or complex neuropsychiatric conditions.
- Amastia — A rare congenital anomaly characterized by the complete unilateral or bilateral absence of breast tissue, areola, and nipple. Clinically, this embryonic development malformation results from the failure of the mammary ridge to proliferate during early gestation.
- Amentive — Relating to amentia or specific to this state; characterized by an acute mental confusion syndrome, total incoherence of thought, profound psycho-behavioral disorientation, and the presence of dream-like or hallucinatory elements. In a structural clinical sense, it describes neuropsychic manifestations temporarily destabilized due to severe somatic aggressions, such as intense febrile states or exogenous intoxications.
- Amylophagy — An eating disorder included in the broader category of Pica syndrome, characterized by the pathological craving and compulsive consumption of pure starch (such as cornstarch, potato starch, or laundry starch). This structural manifestation frequently occurs due to severe nutritional deficiencies, such as iron-deficiency anemia, or during certain gestational periods.
- Amnestic — Pertaining to amnesia, causing memory loss, or characterized by severe impairments in the consolidation and recall of memories. In a clinical and neuropsychological sense, it describes a structural syndrome or a pharmacological side effect that affects brain circuits responsible for short-term or long-term information storage, without necessarily altering other higher cognitive functions.
- Amok — An acute psychopathological state of trance and blind rage, characterized by the sudden manifestation of an uncontrolled, destructive, and indiscriminate murderous behavior towards people around, usually followed by complete amnesia and extreme physical exhaustion. This culture-bound syndrome was originally described in Southeast Asian regions, but the term is used modernly to describe violent episodes of homicidal blind rage.
- Amorphophillous — Exhibiting an ecological affinity for plants of the genus Amorphophallus or being specifically pollinated by insects attracted to the decomposition odor of these irregular floral structures. In a broad sense, it describes organisms or biological vectors adapted to the specific microclimate and morphology of atypical gigantic inflorescences.
- Anasarca — A severe, generalized edema characterized by the massive accumulation and structural infiltration of serous fluid within the subcutaneous connective tissue and major serous cavities of the body (pleura, pericardium, peritoneum). This critical clinical manifestation is encountered in advanced stages of congestive heart failure, nephrotic syndrome, or decompensated liver cirrhosis, reflecting a major disruption of fluid and electrolyte homeostasis.