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).
Myokymia
Continuous involuntary muscle twitchings that give the appearance of wormlike rippling of muscle. The muscle contractions are involuntary (spontaneous) and brief. Myokymia can occur in many situations, including cancer (lung, thymoma…
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Show more- Polycyclic aromatic hydrocarbon Abbreviated PAH. A hydrocarbon (a molecule made up of hydrogen and carbon) containing two or more closed…
- Cardiac myxoma A benign tumor of the heart and the most common type of heart tumor in adults. Cardiac myxomas can appear in…
- Syndecan One of a family of core proteins with sugars attached to the cell surfaces that control or influence tissue…
- Corpus luteum cyst This type of functional ovarian cyst occurs after an egg has been released from a follicle. After this…
- Glaucoma treatment (laser) A laser beam of light is focused on the part of the anterior chamber where the fluid leaves the eye. This…
- Dystonia Dystonia: Involuntary movements and prolonged muscle contraction, resulting in twisting body motions, tremor…
- Syncope, vasovagal See: Vasovagal syncope
- Bed blocker A patient who uses a hospital bed for a long period of time because they are chronically ill. The patient…
- CCK Cholecystokinin
- HER1 See: EGFR
- Operating room A facility equipped for performing surgery. Abbreviated OR
- Ameba Also amoeba. A single-celled (protozoan) organism that constantly changes shape. The word 'ameba' is from the…