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).
Chest
The area of the body located between the neck and the abdomen. The chest contains the lungs, the heart and part of the aorta. The walls of the chest are supported by the dorsal vertebrae, the ribs, and the sternum. The chest is also called…
Read the definitionRandom terms
Show more- Flu vaccine, nasal-spray See: Nasal flu vaccine
- Ethmoid bone An irregularly shaped, spongy bone that provides the floor of the front part of the skull and the roof of the…
- Concussion Concussion: A traumatic injury to tissues of the body such as the brain as a result of a violent blow…
- Fear of dogs An abnormal and persistent fear of dogs. Sufferers of this fear experience anxiety even though they realize…
- Hemithorax Half of the thorax or, more simply, one side of the chest. The plural is hemithoraxes or hemithoraces. A…
- Scrofula An old term for tuberculosis of the lymph nodes in the neck. Also known as the King's evil
- Plasma cell A type of white blood cell that produces and secretes antibodies. A plasma cell is a fully differentiated…
- Immunodepressant An agent that can depress or prevent the immune response. See: Immunosuppressant
- Tear film The liquid layer bathing the cornea and conjunctiva. It creates a perfectly smooth liquid outer layer that…
- CPEO with myopathy See: Kearns-Sayre syndrome
- Ulcer An area of tissue erosion, for example, of the skin or lining of the gastrointestinal (GI) tract. Due to the…
- Paroxysmal atrial tachycardia See: Crocodile tears syndrome.