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).
Anemia, pernicious
A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not produce the substance in the stomach that allows the body to absorb vitamin B12. This substance is called intrinsic factor (IF). Pernicious anemia is…
Read the definitionRandom terms
Show more- Bipolar disease Manic-depressive disease. See: Bipolar disorder
- Intensive care See critical care
- STD Sexually transmitted disease
- Mumps immunization The standard MMR vaccine is given to prevent measles, mumps and rubella (German measles). The MMR vaccine is…
- Aarskog syndrome See: Aarskog-Scott syndrome
- Parathyrin A small tumor of the parathyroid gland and the most common disorder of the gland. Parathyroid adenomas are…
- Saddle sore 1. Sore from riding on a saddle such as on a horse or bike. 2. A sore on a horse caused by an ill-fitting…
- Senility 1. Originally, old age. 2. The physical decline associated with old age. 3. The mental decline once…
- Vesicate A substance that causes tissue blistering. Also referred to as a vesicant.
- Scan, computerized tomography Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- Prontosil The first sulfa drug to be discovered. Largely of historic interest today. The discovery was made by the…
- Chronic lymphocytic leukemia See: Juvenile myelomonocytic leukemia.