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).
Achilles tendonitis
Inflammation of the Achilles tendon, the tough sinew that attaches the calf muscle to the back of the calcaneus or heel bone. Achilles tendonitis causes pain and often swelling over the Achilles tendon. The tendon is tender and may be…
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Show more- Somatization The process by which psychologic distress is expressed as physical symptoms. Somatization is an unconscious…
- Knee replacement, total A surgical procedure in which damaged parts of the knee joint are replaced with artifical parts. The surgery…
- Litmus A pigment used as a test for acidity and alkalinity. Litmus paper turns red in acid and blue in an alkaline…
- Tay-Sachs disease A genetic metabolic disorder caused by deficiency of the enzyme hexosaminidase A (hex-A) that results in a…
- Quincke's disease This is angioneurotic edema (or angioedema), a form of localized swelling of the deeper layers of the skin…
- CMV (cytomegalovirus) A virus that infects 50-85% of adults in the US by age 40 and is also the virus most frequently transmitted…
- Macrocephaly An abnormally large head. The opposite of macrocephaly is microcephaly (an abnormally small head)
- Auscultate To listen to the sounds made by the internal organs of the body for diagnostic purposes. For example, nurses…
- Lymphoproliferative disorders Malignant diseases of the lymphoid cells and cells from the reticuloendothelial system (which take up and…
- Bronchiole A tiny tube in the air conduit system within the lungs that is a continuation of the bronchi and connects to…
- Hexadactyly The presence of an extra digit, a sixth finger or toe, which is a very common congenital malformation (birth…
- Tuberculous meningitis Meningitis due to tuberculosis. Tuberculous meningitis is the most severe form of tuberculosis. It causes…