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).
Pit, ear
Tiny pit in front of the ear. Also preauricular pit. A minor anomaly of no great consequence in itself. More common in blacks than whites and in females than males. Can recur in families. The presence of 2 or more minor anomalies in a…
Read the definitionRandom terms
Show more- Perichondrial To do with the perichondrium, a dense membrane composed of fibrous connective tissue that closely wraps all…
- Pain, shoulder See: Shoulder pain
- Cardiac conduction system The electrical conduction system that controls the heart rate. This system generates electrical impulses and…
- Neurinoma, acoustic A benign tumor that may develop on the hearing and balance nerves near the inner ear. The tumor results from…
- Uterine lining The inner layer of the uterus (womb); the cells that line the womb; anatomically termed the endometrium. This…
- Blocker, beta adrenergic A class of drugs, also more simply called beta blockers, that block beta-adrenergic substances such as…
- Endometrial hyperplasia A condition characterized by overgrowth of the lining of the uterus. Hyperplasia means overgrowth. The…
- N-Hexane >Teach children and teenagers the dangers of inhaling products that contain n-hexane. >Keep products…
- Posterior The space in the eye behind the iris and in front of the lens. (The iris is the colored ring of tissue that…
- Abortion In medicine, an abortion is the premature exit of the products of conception (the fetus, fetal membranes, and…
- Adrenoleukodystrophy A rare genetic (inherited) disorder characterized by the breakdown or loss of the myelin sheath surrounding…
- Lymphoma, lymphoblastic A rapidly moving, aggressive form of lymphoma most often seen in children or young adults. Treatment may be…