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).
Diesel exhaust
The exhaust generated by diesel engines. This exhaust is a complex mixture of combustion products of diesel fuel. The exact composition depends on the type of engine, the speed and load at which it is run, and the composition of the fuel…
Read the definitionRandom terms
Show more- Cervicectomy Surgical removal of the cervix, the lower portion of the uterus that protrudes into the vagina. Cervicectomy…
- Transcription Making an RNA copy from a sequence of DNA (a gene). Transcription is the first step in gene expression
- Radiation therapy, stereotactic The use of a number of precisely aimed beams of ionizing radiation, each coming from different directions and…
- Placenta A temporary organ joining the mother and fetus, the placenta transfers oxygen and nutrients from the mother…
- Anvil The incus
- Terminal ileitis Crohn's disease, a chronic inflammatory disease of the intestine involving only the end of the small…
- Double-blinded study A study in which at least two separate groups receive the experimental medication or procedure at different…
- Replication, DNA A wondrous complex process whereby the ('parent') strands of DNA in the double helix are separated and each…
- ACE2 (angiotensin converting enzyme 2) An essential regulator of heart function. Also may be involved in the embryonic development of the heart. The…
- Medication, anticoagulant A drug that is used as a 'blood-thinner' to prevent the formation of blood clots and to maintain open blood…
- Clostridium botulinum A group of rod-shaped bacteria commonly found in the soil that grow best under low oxygen conditions. The…
- Hiatal Pertaining to an hiatus, an opening. An hiatal hernia occurs when a part of the stomach protrudes through the…