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).
Ventricle
A chamber of an organ. For example, the four connected cavities (hollow spaces) in the central portion of the brain and the lower two chambers of the heart are called ventricles.
Read the definitionRandom terms
Show more- Prepuce The fold of skin that covers the head of the penis. Also known as the foreskin. Only about 1 in every 20 boys…
- Roundworm C. elegans genome See: C. elegans genome
- VACTERL association A nonrandom association of birth defects. VACTERL is an mnemonic in which the letters V, A, C, T, E, R, and L…
- Rape Rape: Forced sexual intercourse; sexual assault; sexual intercourse between an adult and a minor. Rape may be…
- Tuberculous meningitis Meningitis due to tuberculosis. Tuberculous meningitis is the most severe form of tuberculosis. It causes…
- Goodpasture syndrome An autoimmune disease characterized by a combination of lung and kidney disease --specifically, pulmonary…
- Laryngeal nerve, recurrent One of the best known branches of the vagus nerve, a very long nerve that originates in the brainstem. After…
- Echovirus A group of viruses found in the gastrointestinal tract. The 'echo' part of the name stands for enteric…
- Colonic (noun) Colonic irrigation, the infusion of liquid into the colon through a tube in the rectum. It is claimed that…
- Fetal vaccinia See Congenital vaccinia
- JP drain The original suction drain. The drain itself is inside the body. It is made of Teflon and has multiple…
- Tube feeding See: Enteral nutrition