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).
Horripilation
Better known as goose bumps, a temporary local change in the skin when it becomes rougher due to erection of little muscles, as from cold, fear, or excitement. The chain of events leading to this skin change starts with a stimulus such as…
Read the definitionRandom terms
Show more- Embolus Something that travels through the bloodstream, lodges in a blood vessel and blocks it. Examples of emboli…
- Point mutation A single nucleotide base change in the DNA. A point mutation may consist of the loss of a nucleotide, the…
- Atherosclerosis A process of progressive thickening and hardening of the walls of medium-sized and large arteries as a result…
- Ear, external There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The…
- Dystocia Difficult or abnormal labor or delivery. From the Greek 'dys' meaning 'difficult, painful, disordered…
- EMG, surface Surface EMG
- Vaginoscopy The use of a viewing instrument to visualize the vaginal canal. Most commonly, a form of endoscope is used in…
- Thrombosis, cavernous sinus A cavernous sinus thrombosis is a blood clot within the cavernous sinus, a large channel of venous blood in a…
- Insemination The deposition of semen in the female reproductive tract. Under normal circumstances, the deposit is made…
- Shock, spinal Shock caused by injury to the spinal cord
- SiRNA Abbreviation for small inhibitory RNA, a short sequence of RNA which can be used to silence gene expression
- Prothrombin mutation G20210A A common genetic risk factor for thrombosis (clots) including deep venous thrombosis (DVT). This mutation in…