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).
Tumor, primary
See: Primary tumor
Read the definitionRandom terms
Show more- Membrane A very thin layer of tissue that covers a surface.
- Aetiology The study of the causes. For example, of a disorder. The word 'aetiology' is mainly used in medicine, where…
- Swallower In the drug trade, an individual used as a drug courier. Also called a body packer. See: Body packer
- Babinski response An important neurologic examination based upon what the big toe does when the sole of the foot is stroked. If…
- Entero- Pinworm infection, an infection caused by a small, white intestinal worm -- the pinworm or, more formally…
- Antibacterial Anything that destroys bacteria or suppresses their growth or their ability to reproduce. Heat, chemicals…
- Duchenne-Erb palsy See: Erb palsy
- Gynecoid pelvis The gynecoid pelvis is one that is generally characteristic of a woman in its bone structure and therefore…
- Pacemaker, implantable A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal…
- National Program of Cancer Registries A program administered in the US by the Centers for Disease Control and Prevention (CDC) since 1994 that…
- Leukocyte,eosinophilic See: Eosinophil
- HAPE Acronym for High Altitude Pulmonary Edema, the accumulation in the lungs of extravascular fluid (fluid…