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.
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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).
Ventral
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- CRP An intestinal infection characterized by diarrhea caused by a microscopic parasite, Cryptosporidium parvum…
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- Transplant, liver See: Liver transplant
- Qinghaosu A Chinese herb (also called sweet wormwood) from which is extracted the antimalarial agent artemisinin
- Peritoneum The membrane that lines the abdominal cavity and covers most of the abdominal organs. (From the Greek peri-…
- Ataxia Wobbliness. Incoordination and unsteadiness due to the brain's failure to regulate the body's posture and…
- Bathophobia An abnormal and persistent fear of depths. Sufferers from bathophobia experience anxiety even though they…
- Toxic hepatitis Hepatitis (inflammation of the liver) caused by an industrial chemical such as carbon tetrachloride or…
- Pneumonia Pneumonia: Inflammation of one or both lungs with consolidation. Pneumonia is frequently but not always due…
- Achondrogenesis A genetic disorder of bonwe resulting in short-limbed dwarfism. There are a number of different types of…
- Colostomy, transverse A colostomy in which the exterior opening (stoma) is located on the upper abdomen
- Inverted repeat A sequence of nucleotides in the DNA that is identical to another except that it has been reversed (inverted)…