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.
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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).
White subungual onychomycosis, proximal
The rarest form of fungus infection of the finger or toenail. (Fungus infection of the finger or toenail is also called onychomycosis.) The infection begins in the nail fold (the portion of the nail opposite the tip of the finger)…
Read the definitionRandom terms
Show more- Angiotensin A family of peptides (smaller than proteins) that act as vasoconstrictors to narrow blood vessels
- Reflux, esophageal A condition wherein stomach contents regurgitate or back up (reflux) into the esophagus (a long cylindrical…
- Alactasia Lack of the enzyme lactase which is needed to digest the milk sugar lactose. See: Lactase deficiency
- Drunkorexia A term coined to refer to condition of binge drinking combined with the typical self-imposed starvation seen…
- Hemolytic disease of the newborn Abnormal breakup of red blood cells in the fetus or newborn. This is usually due to antibodies made by the…
- Abuse, emotional child Emotional child abuse is the third most frequently reported form of child abuse (after child neglect and…
- AMS (atypical measles syndrome) Measles syndrome):An altered expression of measles, AMS begins suddenly with high fever, headache, cough, and…
- Volvulus Abnormal twisting of the intestine which can impair the blood flow to the intestine. Volvulus can lead to…
- Marburg disease The virus that causes Marburg hemorrhagic fever, a disease which affects both humans and non-human primates…
- Macrocephaly An abnormally large head. The opposite of macrocephaly is microcephaly (an abnormally small head)
- Vertebral artery A key artery located in the back of the neck that carries blood from the heart to the brain
- Flu, Hong Kong See: Hong Kong flu