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).
Piloerection
Erection of the hair of the skin. Piloerection of the hair, for example, on the arm makes it 'stand on end.' Piloerection starts when a stimulus such as cold or fright causes a discharge from the (involuntary) nervous system that triggers…
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Show more- Audiologist A health care professional who is trained to evaluate hearing loss and related disorders, including balance…
- In-law A relative by marriage. An in-law is not a biologic relative. This distinction is of importance in a medical…
- Negative-strand RNA virus Also known as an antisense-strand RNA virus, a virus whose genetic information consists of a single strand of…
- Fever, Rift Valley See: Rift Valley fever
- Otic barotrauma Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems…
- Aase-Smith syndrome I A syndrome of congenital malformations (birth defects) characterized by hydrocephalus, cleft palate, and…
- Mast cell A connective tissue cell whose normal function is unknown but which is frequently injured in allergic…
- Clay-shoveler's fracture An uncommon breakage of the spine of the vertebrae from the lower neck or upper back as a result of stress…
- Red blood cells The blood cells that carry oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them…
- Alexander technique A process that teaches how to properly coordinate body and mind to release harmful tension and to improve…
- Foot drop See Foot-drop
- Sick building syndrome Sick building syndrome: A condition caused by exposure to various noxious agents that affect persons employed…