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).
Prophylaxis
A measure taken for the prevention of a disease or condition. For example, dental prophylaxis consists of removing plaque and cleaning the teeth to prevent cavities and gum disease. The word 'prophylaxis' is from the Greek and means 'an…
Read the definitionRandom terms
Show more- Melanoma, superficial spreading One of the four clinical types of malignant melanoma, the most common type in whites, typically presents as a…
- Fever, dengue hemorrhagic (DHF) A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Xerophagia A dry diet. Literally, dry eating. From the Greek 'xeros' meaning 'dry' + 'phago' meaning 'to eat.
- Arteriosclerotic aneurysm A localized widening (aneurysm) of a vessel that occurs because the vessel wall is weakened by…
- Blunted affect See: Flat affect
- Klumpke palsy A form of brachial plexus palsy in which there is paralysis of the muscles of the forearm and hand due to an…
- Aromatherapy A form of alternative and complimentary medicine based on the use of very concentrated 'essential' oils from…
- PEEP Peeping tom (voyeurism) is a disorder that involves achieving sexual arousal by observing an unsuspecting and…
- Cancer of the appendix See: Appendix cancer
- Speculum, ear An instrument inserted into the auditory canal of the ear to increase the circumference of the tunnel-shaped…
- Avery, MacLeod, and McCarty Authors of a scientific paper entitled 'Studies on the chemical nature of the substance inducing…
- Cervical intraepithelial neoplasia A general term for the growth of abnormal cells on the surface of the cervix. Numbers from 1 to 3 may be used…