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).
Test, fecal occult blood
Fecal occult blood: A test to check for hidden blood in the feces, the stool
Read the definitionRandom terms
Show more- Humorism In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aqueous humor is the fluid normally…
- Macewen sign A sign to detect hydrocephalus and brain abscess. Percussion (tapping) on the skull at a particular spot…
- Nails, white spots on the Very small semi-circular white spots on the nails. These spots may be found on the fingernails and…
- Cytogenetic map A genetic term referring to the visual appearance of a chromosome when stained and examined under a…
- Nematodes Roundworms.
- Mononeuritis multiplex Inflammation of two or more nerves, typically in unrelated portions of the body. Mononeuritis multiplex…
- RU-486 The French abortion pill, also known as mifepristone. RU-486 has been used in combination with another drug…
- Acinus, pulmonary The ending of a tiny airway in the lung, where the alveoli (air sacs) are located. In anatomy, an acinus is a…
- Ingrown toenail Ingrown toenail: A common disorder that occurs when the edge of the toenail grows into the skin of the toe…
- Prothrombin mutation 20210A See: Prothrombin mutation G20210A
- Thyroiditis, autoimmune See: Hashimoto thyroiditis
- CARDIA Study Coronary Artery Risk Development In Young Adults (CARDIA). A study designed to increase understanding of…