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).
Medical directives, advance
Advance directives preserve the person's right to accept or reject a course of medical treatment even after that person becomes mentally or physically incapacitated to the point of being unable to communicate those wishes. There are two…
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Show more- Pulmonary embolism Pulmonary embolism: The obstruction of the pulmonary artery or a branch of it leading to the lungs by a blood…
- Enterobiasis Any hernia containing small intestine. 2. Hernia (protrusion) of the small intestine into the upper wall of…
- Phocomelia A congenital malformation (birth defect) in which the hands and feet are attached to abbreviated arms and…
- House officer A resident physician and surgeon of a hospital (the 'house') who is receives further training, usually in a…
- Vein, central retinal The blood vessel that carries blood away from the retina of the eye. The counterpart to the central retinal…
- Tick, American dog See American dog tick
- Biological safety level 1 Level 1 biosafety
- Lamin A Abbreviated LMNA. A gene on chromosome 1 that encodes a protein which is a key component of the membrane…
- Multiple personality disorder A neurosis in which the personality becomes dissociated into two or more distinct parts each of which becomes…
- Lymphatic filariasis A parasitic disease caused by the African eye worm, a microscopic thread-like worm. The adult worms can only…
- Syndrome, acquired immunodeficiency AIDS
- Strait 1. (adjective) Narrow or confined. As in straitjacket. 2. (noun) A narrow passageway. As in the pelvic strait.