MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Counterpulsation
A technique that synchronizes the external pumping of blood with the heart's cycle to assist the circulation and decreasing the work of the heart. Counterpulsation pumps when the heart is resting to increase blood flow and oxygen to the…
Read the definitionRandom terms
Show more- Peritonsillar abscess A collection of pus behind the tonsils that pushes one of the tonsils toward the uvula (the prominent soft…
- Peromyscus maniculatus See: Deer mouse
- Pathological hoarding Excessive hoarding of material goods, a condition that affects up to 40% of people with obsessive compulsive…
- Hepatitis F It was formerly believed that a virus isolated from rare blood samples was able to cause hepatitis, and this…
- Retrodiagnosis Retrospective diagnosis. The proposal that the mysterious illness that killed Alexander the Great more than…
- Chronic daily headache See: Headache, chronic daily
- Paralysis Loss of voluntary movement (motor function). Paralysis that affects only one muscle or limb is partial…
- Velamentous insertion of umbilical cord An abnormal condition in which the umbilical cord does not insert into the placental mass but, instead…
- Cranial nerve II The second cranial is the optic nerve, the nerve that connects the eye to the brain and carries the impulses…
- COMT Abbreviation for catechol-O-methyltransferase
- Ringworm (tinea) Ringworm (tinea): Ringworm is a fungal infection of the skin previously thought to be due to a parasite…
- Autoimmune lymphoproliferative syndrome (ALPS) A disease caused by failure of lymphocytes to die once they have finished doing their job. As a result…