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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Heat prostration
Overheating of the body due to extreme weather conditions. Unrelieved hyperthermia can lead to collapse and death, particularly in the elderly. Prevention via air conditioning, ventilation, and drinking extra water is the key for…
Read the definitionRandom terms
Show more- Swan-Ganz catheter See: Catheter, Swan-Ganz
- Beriberi A syndrome characterized by inflammation of multiple nerves (polyneuritis), heart disease (cardiopathy), and…
- Okihiro syndrome The association of Duane syndrome (eye retraction) with forearm malformation and deafness. Okihiro syndrome…
- Doyne honeycomb retinal dystrophy Abbreviated DHRD. An eye disease also known as malattia leventinese. See: Malattia leventinese
- Nonrandom Not by chance alone. Not in keeping with the process by which an outcome is determined solely by chance, for…
- Cys Cysteine. Note that Cys does not stand for cystine. See also: Amino acid symbols
- Lymphangioleiomyomatosis A structure consisting of a collection of blood vessels and lymph vessels that are overgrown and clumped…
- Angiotensin A family of peptides (smaller than proteins) that act as vasoconstrictors to narrow blood vessels
- Extracorporeal (ECMO) A life support system that circulates the blood through an oxygenating system. ECMO is like a…
- Gonarthritis Inflammation of the knee joint
- Colon syndrome, nervous A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility)…
- Cephalgia, histamine A distinctive syndrome of headaches, also known as cluster headache or migrainous neuralgia. The common…