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).
Stroke, silent
Small strokes that do not cause any symptoms. Silent strokes still damage brain tissue. The most common symptom of a stroke is weakness or paralysis on one side of the body or the other. There may be a partial or complete loss of voluntary…
Read the definitionRandom terms
Show more- Debulk To remove part of the bulk, usually of a tumor or dead tissue. Debulking may be done by surgery, irradiation…
- Monte Carlo simulation A statistical method used in biomedical research, involving computer simulation in which data are randomly…
- Jugular vein, external The more superficial of the two jugular veins in the neck that drain blood from the head, brain, face and…
- Myopia Myopia: Nearsightedness, the ability to see close objects more clearly than distant objects. Myopia can be…
- Ultraviolet radiation Invisible rays that are part of the energy that comes from the sun. Ultraviolet radiation can burn the skin…
- Megakaryocyte A giant cell in the bone marrow that is the ancestor of blood platelets.
- ICU Intensive Care Unit.
- Mastectomy, modified radical Removal of the breast tissue and the axillary lymph nodes, which are under the arms
- Allergic reaction The hypersensitive response of the immune system of an allergic individual to a substance. When an allergen…
- Whipple procedure A type of surgery used to treat pancreatic cancer. The head of the pancreas, the duodenum, a portion of the…
- Drain, Penrose See: Penrose drain
- P.o. Abbreviation meaning by mouth, orally (from the Latin 'per os', by mouth). One of a number of hallowed…