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).
Vas deferens
The tube connecting the testes with the urethra. The vas deferens is a coiled duct that conveys sperm from the epididymis to the ejaculatory duct and the urethra
Read the definitionRandom terms
Show more- Fever, hemorrhagic A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and…
- Eosinophilic fasciitis (Shulman syndrome) A disease which leads to inflammation and thickening of the skin and fascia. (The fascia is a lining tissue…
- Beta agonist See: Beta-agonist
- Traction, orthopedic The use of a system of weights and pulleys to gradually change the position of a bone. It may be used in…
- Club drug A drug such as MDMA (Ecstasy), GHB, Rohypnol, ketamine, methamphetamine, and LSD that is used by young adults…
- Yeast A group of single-celled fungi that reproduce by budding. Most yeast are harmless (some are used in baking…
- Skin graft, split-thickness A graft technique in which sheets of skin containing the epidermis and part of the dermis are used
- Mutism The inability or unwillingness to speak. A person who is mute cannot or does not care to talk. Someone who…
- Benign prostatic hypertrophy Recurring meningitis without identifiable cause that leaves no residual damage to the nervous system. Benign…
- Nine-day measles An acute highly contagious viral disease with fever, runny nose, cough, red eyes, and a spreading skin rash…
- Tonotopic Pertaining to the spatial arrangement of where sound is perceived, transmitted, or received. There is…
- Cancer, leukemia Leukemia is a cancer of the white blood cells. Leukemias are grouped by how quickly the disease develops…