Directory
Oculodentodigital dysplasia
Oculodentodigital dysplasia (ODD) is a rare genetic disorder that belongs to the group of dysplasias and is characterized by an anomaly...
Oculodentodigital dysplasia dominant
Oculodentodigital dysplasia (ODD) is a rare inherited disorder classified as autosomal dominant....
Oculocutaneous albinism
Oculocutaneous albinism (OCA) is a hereditary disorder characterized by a lack of pigmentation in the skin, hair ...
Oculocutaneous albinism type 2
Oculocutaneous albinism (OCA) type 2 is a genetic disorder characterized by a disorder of melanin synthesis, which results in...
Oculocutaneous albinism type 1
Oculocutaneous albinism type 1 (OCA1) is a genetic disorder characterized by abnormal pigmentation of the skin, hair...
Olivopontocerebellar atrophy
Olivopontocerebellar atrophy (OPCA) is a rare neurodegenerative disorder that belongs to a group of inherited atrophic...
Oculopharyngeal muscular dystrophy
Oculopharyngeal muscular dystrophy (OPMD) is a rare genetic disorder characterized by progressive weakness and wasting of the...
Oculofaciocardiodental syndrome
Oculofaciocardiodental syndrome (OFCDS) is a rare genetic disorder characterized by multifactorial disturbances...
Oculocerebrocutaneous syndrome
Oculocerebrocutaneous syndrome (OCCS) is a rare genetic disorder characterized by tumors, abnormalities of the brain, and...
Oligodendroglioma
Oligodendroglioma is a type of glioma, a tumor that forms from oligodendrocytes, the cells that provide myelination to neurons in the central...
Omsk hemorrhagic fever
Omsk hemorrhagic fever (OHF) is an acute viral disease caused by a virus belonging to the rodentiovirus family....
Omphalomesenteric cyst
Omphalomesenteric cyst is a congenital disease, which is an anomaly accompanied by the formation of a cyst in the area ...
Onchocerciasis
Onchocerciasis, or "river blindness", is a parasitic disease caused by microfilariae of worms of the genus Onchocerca,...
Opisthotonus
Opisthotonus is a specific form of muscle tone characterized by spasms of the back muscles, as a result of which the trunk takes on ...
Oppositional Defiant Disorder (ODD)
Oppositional defiant disorder (ODD) is a mental disorder that affects children and adolescents and is characterized by...
Orofacial-digital syndrome
Orofacial-digital syndrome (OFD) is a rare genetic disorder characterized by abnormalities in the facial, ...
Oral herpes
Oral herpes, caused by the herpes simplex virus type 1 (HSV-1), is a viral infection that manifests itself in the form of...
Oral submucosal fibrosis
Oral submucosal fibrosis (OSF) is a chronic, progressive disorder characterized by fibrosis and contraction of the mucosa...
Orbital cellulitis
Orbital cellulitis is an infectious and inflammatory process affecting the orbital tissue, which often develops as a result of...
Orotic aciduria type 1
Orotic aciduria type 1 (OA-1) is a rare inherited metabolic disorder caused by a deficiency of the enzyme iliotid...
Orofaciodigital syndrome 1
Orofaciodigital syndrome 1 (OFDS-1) is a rare genetic disorder that belongs to a group of congenital anomalies. It is characterized by...
Orofaciodigital syndrome type 2
Orofaciodigital syndrome type 2 (OFDS 2) is a rare genetic disorder characterized by a complex of abnormal...
Orofaciodigital syndrome 4
Orofaciodigital syndrome 4 (OFDS 4) is a genetic disorder characterized by multifactorial developmental disorders...
Orofaciodigital syndrome 6
Orofaciodigital syndrome 6 (OFDS 6) is a rare genetic disorder that belongs to the group of orofaciodigital syndromes characterized by...
Orthostatic hypotension
Orthostatic hypotension is a condition characterized by a significant decrease in blood pressure when moving from horizontal to...
Orchitis
Orchitis is an inflammation of the testicle, which can occur either in isolation or in combination with inflammation of the epididymis (epididymitis) or...
Osmotic diuresis
Osmotic diuresis is a pathological process that occurs as a result of increased osmotic pressure in the urine,...
Osteoarthritis
Osteoarthritis, or osteoarthrosis, is a chronic joint disease characterized by degenerative changes in cartilage...
Osteoglobinic dysplasia
Osteoglobinic dysplasia (OGD) is a rare inherited disorder characterized by abnormal development of bone...
Osteomalacia
Osteomalacia is a medical term that refers to the softening of bone tissue that occurs as a result of disturbances in the mineralization of...
