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).
NHLBI
Stands for the National Heart, Lung, and Blood Institute, one of the National Institutes of Health in the U.S. The NHLBI's mission is to 'provide leadership for a national research program in diseases of the heart, blood vessels, lungs…
Read the definitionRandom terms
Show more- Gland, thyroid See: Thyroid gland
- Cancer, adult primary liver A tumor in which the cancer starts during adulthood in cells in the liver. Also called hepatocellular…
- Sex before sports Sexual intercourse before an athletic event. A commonly held belief in sports is that athletes should not…
- Nerve, sciatic The largest nerve in the body, the sciatic nerve begins from nerve roots in the lumbar part of the spinal…
- Ambidextrous 1. Able to use both the right and left hands with equal dexterity. Neither right- nor left-handed.2. By…
- Bridge A set of one or more false teeth supported by a metal framework, used to replace one or more missing teeth…
- Pneumopericardium Air or gas in the space between the heart and the pericardium, the membrane surrounding the heart.
- Breast surgeon A surgeon who is especially skilled in operating on the breast. A breast surgeon may biopsy a tumor in the…
- Otoacoustic emission test A physician specialized in diagnosing and treating diseases of the head and neck, especially those involving…
- Anisocytosis Excessive inequality in the size of the red blood cells. Anisocytosis ('aniso') is apparent on a blood smear…
- Artificial nose See: Nasal prosthesis
- Atypical measles syndrome (AMS) Measles syndrome (AMS): An altered expression of measles, AMS begins suddenly with high fever, headache…