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).
Thoracic aorta
The thoracic aorta is a section of the aorta, the largest artery in the body, within the chest. Specifically, the thoracic aorta is that part of the aorta that starts after the arch of the aorta and runs down to the diaphragm, the great…
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Show more- Dowager's hump An abnormal outward curvature of the vertebrae of upper back. Compression of the front (anterior) portion of…
- Metrorrhagia Uterine bleeding at irregular intervals, particularly between the expected menstrual periods. Metrorrhagia…
- Vaccine, rubella A vaccine designed to prevent rubella, or German measles. German measles was once seen merely as a child's…
- Hyperthermia : Overheg of the body. This may be due to extreme weather conditions. Unrelieved hyperthermia can lead to…
- Adult respiratory distress syndrome Better known as ARDS. See: ARDS
- Neurocysticercosis Infection of the brain by the larval form of the pork tapeworm Taenia solium. Neurocysticercosis is a form of…
- Disorder, autoimmune See Autoimmune disease
- Papilloma, cutaneous A small tag of skin that may have a stalk (a peduncle). Cutaneous papillomas may appear on the skin almost…
- Department of Health and Human Services The United States government's principal agency for 'protecting the health of all Americans and providing…
- Treatment, palliative To palliate a disease is to treat it partially and insofar as possible, but not cure it completely…
- Amsler grid While conducting an eye examination, the eye care professional may ask the patient to look at an Amsler grid…
- Dilation The process of enlargement, stretching, or expansion. The word 'dilatation' means the same thing. Both come…