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).
Inversion, paracentric chromosome
A basic type of chromosome rearrangement in which a segment that does not include the centromere (and so is paracentric) has been snipped out of a chromosome, turned through 180 degrees (inverted), and inserted right back into its original…
Read the definitionRandom terms
Show more- Measly The word measly can refer to measles, and, thence, to spotty and, thence, to something that is of little…
- Renal pelvis The area at the center of the kidney. Urine collects here and is funneled into the ureter
- Rendu-Osler-Weber syndrome See: Hereditary hemorrhagic telangiectasia
- Syndrome, superior vena cava The symptoms that result from compression of the large vein that carries blood down to the heart. The…
- JPS Juvenile polyposis syndrome. See: Juvenile polyposis
- PCL (posterior cruciate ligament) The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Oxycodone Oxycodone: Oxycodone is the active ingredient in OxyContin. Oxycodone is an opioid, a close relative of…
- Thiamine deficiency, infantile See: Infantile beriberi
- Foot drop See Foot-drop
- Fever, tick See: Rocky Mountain spotted fever
- Human neutrophil peptide See: Defensin
- Left heart The heart is composed functionally of two hearts - the right heart and the left heart. The left heart…