MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Central line
A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to the heart) or in the right atrium of the heart. Central lines have a number of different uses. A…
Read the definitionRandom terms
Show more- Premature menopause Premature menopause: Menopause (permanent cessation of menses) occurring before age 40 due to ovarian…
- Disorder, social anxiety Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Genu The Latin word for the knee. When the knee is referred to in medicine, it is just called the knee. However…
- CBT Cognitive behavior therapy. See: Cognitive therapy
- TNFRSF6 Tumor necrosis factor receptor superfamily, member 6. Also called FAS. See: FAS gene
- Colitis, granulomatous Crohn's disease of the colon (the large intestine). Crohn's disease is a chronic inflammatory disorder…
- Surface EMG A technique in which electrodes are placed on (not into) the skin overlying a muscle to detect the electrical…
- Leukemia, t(8;21) Leukemia with a translocation (an exchange of material) between chromosomes 8 and 21. Seen characteristically…
- Base of tongue The back third of the tongue. In contrast to the anterior tongue, which is the front two-thirds of the…
- Laparoscopic assisted vaginal hysterectomy A procedure using laparoscopic techniques to remove the uterus (womb) and/or tubes and ovaries through the…
- Phenotype, Klippel-Feil See: Klippel-Feil sequence
- Uterine rupture A tear of the uterus, an uncommon but very serious situation that may result in hysterectomy, urologic…