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).
Appendectomy
Appendectomy: Removal by surgery of the appendix, the small worm-like appendage of the colon (the large bowel). An appendectomy is performed because of probable appendicitis, inflammation of the wall of the appendix generally associated…
Read the definitionRandom terms
Show more- Nerve, fourth cranial The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…
- Noncompliance The failure or refusal to comply: the failure or refusal to conform and adapt one's actions to a rule or to…
- Ectoparasite A parasite that lives on or in the skin but not within the body. Fleas and lice are ectoparasites…
- Transvestite A person who dresses in the clothing of the opposite sex, i.e., a person who cross-dresses
- Laser-assisted in situ keratomileusis A kind of laser eye surgery designed to change the shape of the cornea to eliminate or reduce the need for…
- Nerve, twelfth cranial See: Twelfth cranial nerve
- Pachymeninx The dura. From pachy- (thick) + -meninx (membrane). The plural is pachymeninges
- Sylvatic plague Plague that is spread by ground squirrels and other wild rodents, for example, in the western portion of the…
- Dander Tiny scales shed from human or animal skin or hair. Dander floats in the air, settles on surfaces and makes…
- Henoch-Schonlein purpura Henoch-Schonlein purpura: See: Schonlein-Henoch purpura.
- Axillary Pertaining to the cavity beneath the junction of the arm and the body, better known as the armpit. The word…
- Rest 1. Repose. Relaxation.2. A fragment of embryonic tissue that has been retained after the period of embryonic…