MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Myelofibrosis
Fibrosis (spontaneous scarring) of the bone marrow. This can be associated with a variety of diseases, primarily myeloproliferative (pre-leukemic) disorders. Sometimes used interchangeably with agnogenic myeloid metaplasia. Myelofibrosis…
Read the definitionRandom terms
Show more- Gram-positive Gram-positive bacteria retain the color of the crystal violet stain in the Gram stain. This is characteristic…
- Hepatomegaly An enlarged liver. 'Hepato-' comes from the Greek 'hepatikos' (of the liver) + 'megaly' from the Greek…
- External fixation A procedure that stabilizes and joins the ends of fractured (broken) bones by a splint or cast. External…
- Reuptake The reabsorption of a secreted substance by the cell that originally produced and secreted it. The process of…
- Apgar Abbreviation for the Apgar score, a practical method of evaluating the physical condition of a newborn infant…
- Congenital rubella syndrome The constellation of abnormalities caused by infection with the rubella (German measles) virus before birth…
- PIGF Placental growth factor
- Histiocytosis, sinus A variant of histiocytosis in which the lymph nodes are the main site of histiocyte proliferation. The…
- Chlamydia A type of bacteria one species of which causes an infection very similar to gonorrhea in the way that it is…
- Fluid, cerebrospinal (CSF) A watery fluid, continuously produced and absorbed, which flows in the ventricles (cavities) within the brain…
- Selective serotonin reuptake inhibitor A selective serotonin reuptake inhibitor (SSRI) is one of the commonly prescribed drugs for treating…
- Vitamin B -- pantothenic acid This is one of the less well known B vitamins, perhaps because it is widely distributed in nature…