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).
Pregnancy, ectopic
A pregnancy that is not in the usual place and is located outside the inner lining of the uterus. A fertilized egg settles and grows in any location other than the inner lining of the uterus. The large majority (95%) of ectopic pregnancies…
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Show more- Sciatic nerve The largest nerve in the body, the sciatic nerve begins from nerve roots in the lumbar part of the spinal…
- Leukemia, smoldering A condition in which the bone marrow does not function normally. It does not produce enough blood cells. This…
- FMF (familial Mediterranean fever) An inherited disorder featuring short recurring crises of severe abdominal pain and bouts of fever. Other…
- Blue cohosh (Caulophyllum thalictroides). A tall North American perennial plant with large blue berries. Blue cohosh is…
- GOLD The Global Initiative for Chronic Obstructive Lung Disease (GOLD), a collaborative project of the US National…
- Vertebroplasty A nonsurgical method for the repair of vertebral fractures and compression due to osteoporosis. Broken bones…
- Cryopreservation The process of cooling and storing cells, tissues, or organs at very low temperatures to maintain viability…
- Hetero- Chromosomal material that is darkly staining and tightly coiled throughout the cell cycle and that is, for…
- Mucolipidosis One of a group of inherited storage diseases in which both lipids and substances called mucopolysaccharides…
- Antigenic drift A mechanism for variation by viruses that involves the accumulation of mutations within the antibody-binding…
- Postulates, Koch's In 1890 the German physician and bacteriologist Robert Koch set out his celebrated criteria for judging…
- Medical directives, advance Advance directives preserve the person's right to accept or reject a course of medical treatment even after…