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).
Penis, erection of the
When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora cavernosa, which run the length of the organ, are filled with spongy tissue, and surrounded by a membrane, called the tunica albuginea. The…
Read the definitionRandom terms
Show more- RRNA Ribosomal RNA, a molecular component of a ribosome, the cell's essential protein factory. Strictly speaking…
- Elastase 1 Pancreatic elastase, a member of the pancreatic family of serine proteases. Although termed elastase, this…
- Inuit health See: Artic health
- Health, Inuit See: Artic health
- Rickettsial diseases The infectious diseases caused by the rickettsiae fall into 4 groups:(1) typhus: epidemic typhus…
- Craniocleidodysostosis >Typical cranial and facial abnormalities with square skull, late closure of the sutures of the skull, late…
- Blush A redness of the skin, typically over the cheeks or neck. A blush is usually temporary and brought on by…
- Sydenham's chorea See: Sydenham chorea
- Nonsense codon See: Stop codon
- Snoreplasty, injection An injection of a chemical called sodium tetradecyl sulfate that promotes stiffening of the soft palate by…
- Fibula The lateral (outside) and smaller of the two long bones in the lower leg between the knee and ankle. (The…
- Nonepidermolytic palmoplantar keratoderma See: Tylosis with esophageal cancer