| 1. | Obesity | is a condition in which excess body fat has accumulated to an extent that health may be negatively affected. It is commonly defined as a body mass index (BMI) of 30 kg/m2 or higher. This More… 1.4 KB |
| 2. | Obstetric ultrasonography | Obstetric sonography (ultrasonography) is the application of medical ultrasonography to obstetrics, in which sonography is used to visualize the embryo or fetus in its mother's uterus More… 3.7 KB |
| 3. | Obstetrics | Obstetrics is the surgical specialty dealing with the care of women and their children during pregnancy, childbirth and the puerperium. Midwifery is the non-medical equivalent. Veterinary More… 2.3 KB |
| 4. | Obstructive sleep apnea | (OSA) is a common sleep apnea caused by obstruction of the airway. It is characterized by pauses in breathing during sleep. These episodes, called apneas (literally, "without More… 2.2 KB |
| 5. | Occipital horn syndrome | was formerly considered a variant of Ehlers-Danlos syndrome. An X-linked recessive disorder, this variant is characterized by a deficiency in biliary copper excretion that causes More… 0.5 KB |
| 6. | Occipitofrontalis muscle | The occipitofrontalis called also epicranius : is a muscle covers areas of the skull. It consists of two parts or bellies: The occipital belly (near the occipital bone), and the frontal More… 0.9 KB |
| 7. | Occupational asthma | "a disease characterized by variable airflow limitation and/or airway hyper-responsiveness due to causes and conditions attributable to a particular occupational environment and not More… 2.3 KB |
| 8. | Occupational lung diseases | Occupational lung diseases are a specific branch of occupational diseases concerned primarily with work related exposures to harmful substances, be they dusts or gases, and the subsequent More… 0.4 KB |
| 9. | Ochoa syndrome | The Ochoa syndrome or urofacial syndrome or hydronephrosis with peculiar facial expression is an inherited disorder characterized by inverted facial expressions in association with More… 0.5 KB |
| 10. | Ochronosis | often called alkaptonuric ochronosis, is an autosomal recessive metabolic disorder that causes an excess of homogentisic acid, resulting in adverse pigmentation, calcification, and More… 1.2 KB |
| 11. | Ocular | an organ of vision that detects light |
| 12. | Oculocerebrorenal syndrome | (also known as Lowe syndrome) is a X-linked recessive disorder characterized by hydrophthalmia, cataracts, intellectual disabilities, aminoaciduria, reduced renal ammonia production and More… 0.4 KB |
| 13. | Oculodentodigital syndrome | (or ODD syndrome) an extremely rare genetic condition that typically results in small eyes, underdeveloped teeth, and syndactyly and malformation of the fourth and fifth fingers. It has also More… 1.2 KB |
| 14. | Oculopharyngeal muscular dystrophy | Oculopharyngeal dystrophy (OPD, or oculopharyngeal muscular dystrophy) is an autosomal dominant disorder which appears in early middle age (sixth decade) in individuals with a mutation on More… 1.1 KB |
| 15. | Odontoma | The odontoma is a hamartoma of odontogenic origin. The average age of people found with odontoma is 14, and the condition is frequently associated with an unerupted tooth. 22% of More… 0.9 KB |
| 16. | Off label use | Off-label use is the practice of prescribing pharmaceuticals for a purpose outside the scope of a drug's approved label, most often concerning the drug's indication. In the United More… 2.4 KB |
| 17. | Ogilvie syndrome | is the acute pseudoobstruction and dilation of the colon in the absence of any mechanical obstruction in severely ill patients. Colonic pseudo-obstruction is characterized by massive More… 1.6 KB |
| 18. | Oleic acid | Oleic acid is a monounsaturated omega-9 fatty acid found in various animal and vegetable sources. It has the formula CH3(CH2)7CH=CH(CH2)7COOH). The trans-isomer of oleic acid is called More… 1.1 KB |
| 19. | Olivopontocerebellar atrophy | Olivopontocerebellar atrophy (OPCA) is a term used to define neuronal degeneration in the cerebellum, pontine nuclei, and inferior olivary nucleus. The use of the term has changed More… 0.8 KB |
| 20. | Ollier disease | is a rare nonhereditary sporadic disorder estimated at around 1/100,000. Ollier Disease carries a high risk of skeletal, visceral and brain malignancy which occurs in approximately 25 % of More… 0.3 KB |
