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).
Chromatography, gas (GC)
A type of automated chromatography (a technique used to separate mixtures of substances) in which the mixture to be analyzed is vaporized and carried by an inert gas through a special column and thence to a detection device. The special…
Read the definitionRandom terms
Show more- Toes, six The presence of an extra sixth toe, a very common congenital malformation (birth defect This is called…
- Cholangitis Inflammation of the bile duct. From cholangi-, pertaining to a bile duct + -itis, inflammation. See also…
- Oneself, fear of An irrational fear of oneself, an intense self-fear that is groundless. Fear of oneself is termed…
- Histiocytosis, malignant Histiocytosis in which the histiocytes actually become cancerous. Treatment is by radiation and chemotherapy…
- Cancer, larynx Cancer of the voice box (the larynx) which is located at the top of the windpipe (trachea). Also called…
- Metabolic syndrome Metabolic syndrome: A constellation of conditions that place people at high risk for coronary artery disease…
- Phacoemulsification A procedure in which the lens clouded by a cataract is broken up by ultrasound, irrigated, and suctioned out…
- Crutch A wooden or metal vertical prop that helps support a disabled person while he or she is walking. Crutches…
- Alactasia Lack of the enzyme lactase which is needed to digest the milk sugar lactose. See: Lactase deficiency
- Joint, ball-and-socket A ball-and-socket joint is one in which the round end of a bone fits into the cavity of another bone. The hip…
- French paradox A small structure that has a restraining function. For example, the lingual frenulum attaches the tongue to…
- Bisphosphonate A class of drugs used to strengthen bone. Bone is in a constant state of remodeling, whereby new bone is laid…