MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Leukemia, refractory
Leukemia in which the high level of white blood cells is not decreasing in response to treatment
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Show more- Vesicular rickettsiosis A mild infectious disease first observed in New York City, caused by Rickettsia akari, transmitted from its…
- Acute-phase protein Any protein whose plasma concentration increases (or decreases) by 25% or more during certain inflammatory…
- Monoclonal Pertaining to a single clone of cells, a single cell and the progeny of that cell. As opposed to polyclonal…
- PHS The Public Health Service, the agency responsible for the public health of the American people. The Public…
- Congenital ptosis of the eyelids Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…
- AP (anteroposterior) In anatomy, AP stands for anteroposterior: from front-to-back. For example, an AP X-ray of the chest is taken…
- Colostomy, a patient's perspective For an excellent article about colostomy from a patient's viewpoint, please see Colostomy - A Patient's…
- Progressive multifocal leukoencephalopathy A rapidly progressive, often fatal viral infection of the brain. Commonly abbreviated as PML. PML is believed…
- RAD51 An enzyme that coordinates recombination and that is important to the process of error-free DNA repair by…
- Inverted repeat A sequence of nucleotides in the DNA that is identical to another except that it has been reversed (inverted)…
- Flail chest When enough ribs are broken (usually from a crush injury) to compromise the rigidity of the chest wall. On…
- Hecht's pneumonia Pneumonia: Also known as giant cell pneumonia, this is a deadly but fortunately rare complication of measles…