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).
Retrosternal
Behind the sternum (the breastbone)
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Show more- Endogenous Inside. For example, endogenous cholesterol is cholesterol that is made inside the body and is not in the…
- Vertex The top of the head. In a vertex presentation, the top of the baby's head comes first at delivery. The word…
- His-Werner disease This is a parasite (louse-borne) disease that was first recognized in the trenches of World War I and so was…
- Posterior chamber The space in the eye behind the iris and in front of the lens. (The iris is the colored ring of tissue that…
- Arthritis Arthritis: Inflammation of a joint. When joints are inflamed they can develop stiffness, warmth, swelling…
- Attenuated familial adenomatous polyposis An inherited predisposition to colorectal cancer characterized by fewer than 100 adenomatous polyps in the…
- Corneal dystrophy, Cogan A disorder in which the cornea (the normally clear front window of the eye) shows grayish fingerprint lines…
- Minimally invasive lung volume reduction Minimally invasive techniques for reducing the lung volume in advanced emphysema, including COPD, to improve…
- Crossing over The exchange of genetic material between two paired chromosomes. Crossing over is a way to recombine the…
- Joint, acromioclavicular The acromioclavicular (AC) joint is located between the acromion (a projection of the scapula that forms the…
- Peter Mansfield See: Mansfield, Peter
- Corticotropin-releasing hormone A hormone made by the hypothalamus that stimulates the release of corticotropin by the anterior pituitary…