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).
Focal dystonia due to blepharospasm
The involuntary forcible closure of the eyelid due to spasms. The first symptoms may be uncontrollable blinking. Only one eye may be affected initially, but eventually both eyes are usually involved. The spasms may leave the eyelids…
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Show more- Biologic evolution Biologic evolution was contrasted with cultural (social) evolution in 1968 by A.G. Motulsky who pointed out…
- ACC Adenoid cystic carcinoma
- Amathophobia An abnormal and persistent fear of dust. Sufferers experience anxiety even though they realize dust poses no…
- Secretin A hormone made by glands in the small intestine that acts to stimulate pancreatic secretions. Commercially…
- Symbol of medicine A staff or a rod with a snake curled around it; the staff of Aesculapius, also called Asklepios, the ancient…
- Ampulla In anatomy, a sac-like enlargement of a canal or duct. The ampulla of Vater is the enlargement of the ducts…
- Cockle The ventricle of the heart. The origin of the word cockle in this sense is a matter of conjecture but in…
- Microtia An abnormally small ear. The term 'microtia' usually refers to a congenitally small external ear. The visible…
- Navel The umbilicus, the former site of attachment of the umbilical cord, usually found in about the middle of the…
- Rhinitis, allergic, seasonal Allergic rhinitis (hayfever) which occurs during a specific season
- Sinus 1. An air-filled cavity in a dense portion of a skull bone. The sinuses decrease the weight of the skull. The…
- National Cancer Institute (NCI) One of the National Institutes of Health (NIH) in the U.S., whose mission is to 'lead a national effort to…