#HR

• From the absurd — A Latin phrase meaning 'from the absurd'. It is used in medical logic, bioethics, and forensic expert reports to prove a clinical truth or a cause of death by demonstrating that any alternative hypothesis would lead to an impossible or contradictory conclusion.
• From ancient times — An old graphical or medical variant for 'ab antiquo', meaning 'from ancient times' or 'since antiquity'. In a medical context, bioethics, and clinical deontology, it is used to refer to treatment principles, ethical rules (such as the Hippocratic Oath), or therapeutic practices that have been established and recognized as valid since ancient times.
• Since olden days — A medieval graphical or alternative variant for the phrase 'ab antiquo', meaning 'since antiquity'. In clinical medical language and bioethics, it refers to customs, ancestral deontological standards, or patient-care principles passed down through generations, whose moral authority is recognized due to their age.
• Since antiquity — The classical and correct Latin form for 'from ancient times' or 'since antiquity'. In toxicology, pharmacognosy, and medical ethics, it is used to emphasize that certain therapeutic effects, prohibitions (e.g., using poisons for political or medical purposes), or professional oaths have been in force and respected since the earliest times of human civilization.
• At random / Incoherently — A Latin phrase literally translated as 'from this one and from that one' or 'about this and about that'. In clinical psychology, neurology, and psychiatry, it describes a chaotic, incoherent speech with no logical connection between ideas, typical of patients experiencing delirium episodes, dementia, acute mental confusion, or severe intoxication with psychoactive substances.
• From the beginning — A Latin phrase meaning 'from the beginning' or 'from first principles'. In biochemistry and computational pharmacology, it refers to calculations or simulations based strictly on the laws of quantum mechanics, without relying on preexisting empirical data (e.g., ab initio protein folding). In forensic medicine, it describes an act, toxic exposure, or pathological condition present from the very start.
• From the origin — A Latin phrase meaning 'from the origin' or 'from the very beginning'. In medical genetics and embryology, it is used to describe a chromosomal anomaly, congenital malformation, or metabolic disorder present in the organism's biological framework since the moment of conception (ab origine), as opposed to conditions acquired later in life.
• From the egg / From the very beginning — A Latin phrase derived from Horace's writings, meaning literally 'from the egg'. In embryology and developmental toxicology, it refers to analyzing a biological process, cellular mechanism, or the action of a teratogenic agent (malformation-inducing toxin) traced right from the egg-cell (zygote) stage or from the moment of fertilization to fully map fetal development disruptions.
• From start to finish — A Latin phrase from Horace's Satires, literally meaning 'from the egg to the apples' (referring to the traditional course of a Roman banquet). In academic, medical, and psychological contexts, it is used metaphorically to describe an exhaustive, comprehensive, and chronological analysis of a phenomenon, pathology, or individual development, covering the entire spectrum from the absolute origin to the final phase of manifestation.
• From one learn all — A Latin phrase from Virgil's Aeneid, literally meaning 'from one learn all'. In clinical and epidemiological contexts, it is used to describe a typical case or a representative sample within a population, suggesting that the detailed analysis of a single characteristic subject allows for the understanding of the general manifestations of an entire pathology or epidemic.
• From the founding of the city — A Latin phrase meaning literally 'from the founding of the city' (referring to the foundation of Rome in 753 BC). In academic contexts and the history of medical sciences, it is used metaphorically to date or describe an event, institution, or school of thought analyzed right from the official moment of its establishment or fundamental structuring.
• Anti-brush border antibody disease — Anti-brush border antibody (ABBA) disease is a rare autoimmune kidney condition, specifically a form of tubulointerstitial nephritis, characterized by autoantibodies targeting the LRP2 (megalin) protein in the proximal tubules, leading to acute tubular injury and progressive renal failure.
• Abbevillian / Abbevillian industry — Pertaining to the Abbevillian industry, an early stage of the Lower Paleolithic period in Europe characterized by crude bifacial hand axes. In medical and evolutionary anthropology, it is referenced when studying the biomechanical evolution of the homonid hand, cranial expansion, and early cognitive motor skills.
• Abbeville — A commune in northern France where the first remnants of the early Lower Paleolithic culture were discovered. In physical anthropology and medical paleoanthropology, the site serves as a benchmark for studying early hominid skeletal remains and early bio-cultural interactions.
• Abebe phenomenon — An eponym used in transcultural psychiatry, ethnopsychiatry, and clinical anthropology studies to illustrate trance phenomena, possession, or dissociative disorders specific to the Horn of Africa (the Abebe manifestation or syndrome). The term analyzes how severe psychic conflicts, collective traumas, or acute stress are culturally shaped into dissociative convulsive seizures, structured mystic hallucinations, or altered states of personality integrated into local medical folklore.
• Abeche syndrome — An eponym used in transcultural psychiatry, clinical epidemiology, and medical anthropology, associated with the Abéché region in Chad (the Abeche syndrome or nodule). In neuro-epidemiology textbooks, the term is historically linked to African outbreaks of cerebrospinal meningitis or visceral parasites that produce behavioral alterations, severe confusional states, and reactive psychotic episodes, serving as a model for studying correlations between tropical infectious diseases and secondary somatopsychic manifestations.
• Abeokuta psychiatric model — A clinical and geographical eponym associated with the city of Abeokuta in Nigeria, used by pioneers of transcultural psychiatry (such as Thomas Adeoye Lambo) to describe a revolutionary model of community psychiatric treatment (the Abeokuta syndrome or experiment). The concept analyzes the therapeutic integration of patients with acute psychoses or schizophrenia into open clinical villages, blending Western psychiatric techniques with traditional social support and local healing practices, serving as a universal model for modern psychiatric deinstitutionalization.
• Aberrant / Anomalous — Deviating evidently from the normal type, standard anatomical structure, or natural physiological course. In genetics and oncology, it qualifies atypically developed cells, chromosomes, or blood vessels; in psychiatry, it describes a profoundly distorted behavior, reasoning, or emotional response incompatible with medical logic or objective reality.
• Aberration / Anomaly — A state, manifestation, or structure presenting a pathological deviation from the normal or physiological type. In genetics, it represents a structural or numerical anomaly of chromosomes; in neuropsychiatry, it denotes a wandering of cognitive functions or a severe thought disorder; in ophthalmology, it indicates an optical error of the eye (refractive defect) preventing a clear image on the retina.
• Aberration — A clear departure from what is normal, correct, logical, or natural. In genetics, it represents a profound modification in the number or sequence of genes within a chromosome (genetic aberration). In psychiatry, it denotes a thought disorder, a bizarre idea, or a severe behavioral deviation from social norms. In optics and astronomy, it indicates image distortion due to lens properties or the Earth's movement through space.