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Disproportionation
Disproportionation, also called dismutation, is a redox reaction in which a single substance is both oxidized and reduced, yielding products in higher and lower oxidation states.
Disputation of Barcelona
The Disputation of Barcelona was a 1263 public debate before King James I of Aragon between Rabbi Nahmanides and the convert Pablo Christiani over whether the Talmud proves the Messiah had come.
Disputation of Paris
The Disputation of Paris, also called the Trial of the Talmud (משפט פריז), was the 1240 trial of the Talmud in Paris under King Louis IX, ending in its condemnation and burning.
Disputation of Tortosa
The Disputation of Tortosa, also known as the Controversy of Tortosa, was a forced Christian–Jewish debate before antipope Benedict XIII at Tortosa in 1413–1414, ending in a decree against the Talmud.
Dispute between a man and his Ba
The Dispute between a Man and his Ba is a Middle Egyptian dialogue where a despairing man debates death with his vital element, the Ba.
Dispute resolution
Dispute resolution is the set of processes by which contending parties settle a disagreement, from court adjudication to out-of-court methods such as mediation, arbitration, and negotiation.
Dispute review board
A dispute review board (DRB) is a panel of neutral construction experts appointed before or early in a project to help avoid disputes and issue real-time recommendations.
Disraeli Gears
Disraeli Gears is Cream's second studio album, released November 1967 on Atco; recorded at Atlantic Studios, New York, produced by Felix Pappalardi, engineered by Tom Dowd, featuring Sunshine of Your Love, Strange Brew, and Tales of Brave Ulysses.
Disruption (fusion)
A disruption in magnetic confinement fusion is the sudden loss of tokamak plasma confinement, releasing stored energy in milliseconds; research focuses on prediction, avoidance, and mitigation.
Disruptive behaviour
Disruptive behaviour (ICD-11 MB23.8) is a symptom category for behaviour causing disorder and turmoil in others or one's environment, such as angry outbursts, arguments, and disobedience, excluded from the related disruptive behaviour or dissocial disorders grouping.
Disruptive innovation
Disruptive innovation, also known as disruptive technologies, is a process in which a smaller entrant starts in a low-end market foothold and eventually displaces established incumbents.
Disruptive mood dysregulation disorder
Disruptive mood dysregulation disorder (DMDD), a DSM-5 depressive disorder added in 2013, involves chronic childhood irritability and frequent severe temper outbursts; created to curb pediatric bipolar misdiagnosis, with 3.3% community prevalence and no FDA-approved medications.
DissEcT trial
DissEcT (NCT06992453), Disentangling Microbiome Engraftment by Multi-omics of the Gut Ecosystem During Fecal Transplant, is a Rome-based trial using multi-omics to study FMT engraftment in rCDI, ulcerative colitis, and metabolic syndrome.
Dissecting cellulitis of the scalp
Dissecting cellulitis of the scalp (perifolliculitis capitis abscedens et suffodiens, Hoffman's disease) is a chronic inflammatory follicular occlusion disorder causing painful scalp nodules, sinus tracts, and scarring alopecia, mainly in African American men aged 20-40.
Dissection
Dissection is cutting and separating tissues for surgery, autopsy, or anatomy teaching. Revived at medieval Bologna, advanced by Vesalius, sustained today by body donation, prosections, and virtual dissection tables.
Dissection (band)
Dissection, Swedish black/death metal band founded 1989 by Jon Nödtveidt and Peter Palmdahl, known for The Somberlain and Storm of the Light's Bane; ended 2006 after Reinkaos and Nödtveidt's death.
Dissection of cerebral arteries
Dissection of cerebral arteries (ICD-11 8B22.0) is a hematoma within an intracranial artery wall, causing ischemic stroke or subarachnoid hemorrhage; rare, mostly in young adults, diagnosed by imaging, treated with antithrombotics or endovascular or surgical occlusion.
Disseminated adiaspiromycosis
Disseminated adiaspiromycosis (ICD-11 1F2L.0, Emmonsiosis) is the severe bilateral pulmonary form of adiaspiromycosis, caused by inhaled Emmonsia crescens conidia that swell into nonreplicating adiaspores, provoking granulomas, respiratory failure, and rare deaths.
Disseminated and systemic microsporidiosis
Disseminated and systemic microsporidiosis is microsporidia infection, most often from Encephalitozoon species, spreading beyond the gut to kidneys, lungs, or brain in profoundly immunosuppressed people.
Disseminated aspergillosis
Disseminated aspergillosis (ICD-10 B44.7, systemic aspergillosis): hematogenous spread of invasive Aspergillus infection, usually A. fumigatus, to two or more non-contiguous organs in immunocompromised patients, with mortality near 88-90%.
Disseminated coccidioidomycosis
Disseminated coccidioidomycosis (DCM), severe extrapulmonary Valley fever: hematogenous spread of Coccidioides immitis or posadasii to skin, bones, joints, or meninges; about 1% of infections, 25% untreated mortality, treated with fluconazole or amphotericin B.
Disseminated cryptococcosis
Disseminated cryptococcosis: spread of Cryptococcus neoformans or C. gattii from the lungs to two or more noncontiguous organs, mainly CNS; affects immunocompromised, especially advanced HIV; treated with amphotericin B plus flucytosine then fluconazole.
Disseminated dermatophytosis
Disseminated dermatophytosis (ICD-11 1F28.5) is rare systemic spread of dermatophyte fungi, usually Trichophyton rubrum, to lymph nodes and internal organs in immunodeficient hosts, treated with systemic antifungals.
Disseminated gonococcal infection
Disseminated gonococcal infection (DGI): bloodstream spread of Neisseria gonorrhoeae from a mucosal site, causing septic arthritis, tenosynovitis, and skin lesions; treated with ceftriaxone, rare but rising in Alaska and California.
Disseminated intravascular coagulation
Disseminated intravascular coagulation (DIC), also called consumptive coagulopathy, is an acquired syndrome of systemic coagulation activation causing microvascular thrombosis, bleeding, and organ failure, mainly in sepsis, trauma, and cancer, with 45-78% ICU mortality.
Disseminated Lyme borreliosis
Disseminated Lyme borreliosis (ICD-11 1C1G.1) is the stage of Borrelia burgdorferi infection in which spirochetes spread beyond the tick-bite site, causing multiple erythema migrans, neuroborreliosis, carditis, or arthritis.
Disseminated non-tuberculous mycobacterial infection
Disseminated non-tuberculous mycobacterial infection (ICD-11 1B21.3): NTM spread to two or more non-contiguous organs, mainly MAC in severe immunosuppression; treated with macrolide plus ethambutol for at least 12 months.
Disseminated peritoneal leiomyomatosis
Disseminated peritoneal leiomyomatosis, also called leiomyomatosis peritonealis disseminata, is a rare benign condition in which multiple smooth muscle nodules resembling uterine fibroids spread across the abdominal cavity, often mimicking cancer.
Disseminated sporotrichosis
Disseminated sporotrichosis is the systemic form of Sporothrix fungal infection, affecting lungs, bones, meninges, and mucosa mainly in immunocompromised people, especially HIV with CD4 below 150 cells/μL; treated with amphotericin B then long-term itraconazole.
Disseminated zoster
Disseminated zoster (disseminated herpes zoster) is severe shingles with rash beyond the primary dermatomes or visceral/CNS involvement, occurring almost exclusively in immunocompromised people and treated with intravenous acyclovir.