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).
Hallux valgus
A big toe (the hallux) that is bent outward (valgus) so it overlaps the 2nd toe. A bunion is a localized painful swelling at the base of the big toe that can accompany hallux valgus. It is frequently associated with inflammation. It can be…
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Show more- Ventricle, fourth >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each…
- Cerebral vascular See: Cerebrovascular
- Hemorrhagic cyst This type of functional cyst occurs when bleeding occurs within a cyst. Symptoms such as abdominal pain on…
- Liver fluke Fasciola hepatica
- Glomerulus 1.In the kidney, a tiny ball-shaped structure composed of capillary blood vessels actively involved in the…
- Vision, tunnel See: Tunnel vision
- Chronic progressive external ophthalmoplegia Slowly progressive paralysis of certain eye muscles. Chronic progressive external ophthalmoplegia is…
- Ischemia Inadequate blood supply (circulation) to a local area due to blockage of the blood vessels to the area.
- Antiandrogen A drug that blocks the action of androgens (male sex hormones). Antiandrogens are sometimes used in the…
- Coefficient of inbreeding A measure of how close two people are genetically to each another. The coefficient of inbreeding, symbolized…
- Fecund Fruitful, abundantly fertile. Just as a writer is prolific, a woman may be fecund, able to reproduce…
- Circinate balanitis A form of skin inflammation around the penis in males with Reiter's syndrome. The skin around the shaft and…