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).
Onycho- (prefix)
Pertaining to the nails. Examples of medical terms involving 'onycho-' include onychodystrophy (abnormal growth and development of the nails), onychomycosis (fungal infection of the nails), onychogryposis (abnormally curved nails) and…
Read the definitionRandom terms
Show more- Anemia, Addison Anemia, Addison: A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not…
- Frame, open reading See: Open reading frame
- Herbal remedy A medication prepared from plants, including most of the world's traditional remedies for disease. Most…
- Prandial Of or relating to a meal. Prandial pain is pain while eating. Although medical terms usually have a…
- Epidural hematoma A hematoma between the cranium (skull) and the brain's tissue-like covering, which is known as the dura…
- Cachectic Having cachexia, physical wasting with loss of weight and muscle mass due to disease. Patients with advanced…
- Gout Gout: Condition characterized by abnormally elevated levels of uric acid in the blood, recurring attacks of…
- Hemorrhage Bleeding or the abnormal flow of blood. The patient may have an internal hemorrhage that is invisible or an…
- Cupping 1. A cup-shaped depression, as in the head of the optic nerve in the eye. 2. Treatment in which a cup is…
- Perichondroma A tumor arising from the perichondrium, the dense membrane composed of fibrous connective tissue that closely…
- Syndrome, tarsal tunnel See Tarsal tunnel syndrome
- Danlos syndrome Better known today as Ehlers-Danlos syndrome (EDS), this is an inherited disorder with easy bruising, joint…