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).
Plasma cell
A type of white blood cell that produces and secretes antibodies. A plasma cell is a fully differentiated lymphocyte in the B-cell (not the T-cell) lineage. As with most cell types, plasma cells can mutate to give rise to cancer. Plasma…
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Show more- Vein of Galen aneurysm A congenital malformation of blood vessels of the brain. Specifically, an arteriovenous (AV) malformation in…
- Hemoglobin S The most common type of abnormal hemoglobin and the basis of sickle cell trait and sickle cell anemia…
- Iatrapistic A lack of faith in doctors. Entirely from the Greek: 'iatr-' indicating a relationship to a physician or…
- Immunotherapy Treatment to stimulate or restore the ability of the immune (defense) system to fight infection and disease…
- Naproxen Naproxen: A non-steroidal anti-inflammatory drug (NSAID) used for the management of mild to moderate pain…
- Aneurysm, fusiform An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Achillodynia Pain due to inflammation of the Achilles tendon or the bursa associated with it. The Achilles tendon is one…
- Child abuse, emotional Child abuse, emotional: Emotional child abuse is the third most frequently reported form of child abuse…
- Lower leg The lower leg is the bottom segment of the leg: the part below the knee. The lower leg contains two long…
- Staging, laparoscopic See: Laparoscopic staging
- Parenteral Entering the body not by the alimentary tract but rather by another means (such as the subcutaneous, the…
- Dysgraphia A specific developmental disability that affects the person's ability to write. Problems may include…