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).
Cancer, melanoma
A skin cancer that begins in cells called melanocytes that can grow together to form benign (not cancerous) moles. A change in size, shape, or color of a mole can be a sign of melanoma. It can be cured if detected early, before spread…
Read the definitionRandom terms
Show more- Soy milk allergy Allergy: Soy protein formulas contain no cow milk and are therefore reasonable alternatives for infants with…
- Syndrome, Timothy See: Timothy syndrome
- Iron supplementation, infant Iron is included in most infant formulas. Therefore, there is no evidence that iron supplementation is…
- Olfactory disorder A loss in the ability to smell or a change in the way odors are perceived. Reduction of the sense of smell is…
- Internal medicine A medical specialty dedicated to the diagnosis and medical treatment of adults. A physician who specializes…
- Esophagogastroduodenoscopy Esophagogastroduodenoscopy: Also known as EGD or upper endoscopy. A procedure that enables the examiner…
- Poly- 1) Prefix meaning much or many For example, polycystic means characterized by many cysts. 2) Short form for…
- Propionibacterium acnes A ubiquitous skin-dwelling organism that is involved in causing acne.In addition to acne, this bacterium (P…
- Valve, pulmonary One of the four valves in the heart, the pulmonary valve stands at the opening from the right ventricle in…
- School, medical See: Medical school
- Postoperative hemorrhage Bleeding after a surgical procedure. The hemorrhage may occur immediately after the surgery or be delayed. It…
- Scooter injury An injury sustained on a scooter, a foot-operated board mounted tandemly on two wheels with an upright…