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).
Rock (drug)
A street name given to cocaine that has been processed from cocaine hydrochloride to a ready-to-use free base for smoking. Rather than requiring the more volatile method of processing cocaine using ether, rock cocaine (also called crack)…
Read the definitionRandom terms
Show more- Pentapeptide A peptide consisting of five amino acids
- Proteins, G These molecules have been described as 'biological traffic lights.' Located inside the cell, G proteins are…
- Toxic hepatitis Hepatitis (inflammation of the liver) caused by an industrial chemical such as carbon tetrachloride or…
- Human herpesvirus 1 (HHV-1) A herpes virus that causes cold sores and fever blisters in and around the mouth. Here is a depiction of a…
- Agent, antibiotic A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced…
- Multidetector CT See: Multidetector computed tomography
- Sclerosis, multiple The injection of a chemical irritant into a vein to sclerose ("harden") it. The chemical irritates the lining…
- Stroke, heat Stroke, heat: Heat stroke can be LIFE-THREATENING! Victims of heat stroke almost always die, so immediate…
- PGF Placental growth factor
- Aorta, descending The descending aorta is the part of the aorta, the largest artery in the body, that runs down through the…
- Anaptic Suffering from an impaired sense of touch, (a state called anaphia) or tactile anesthesia. An anaptic person…
- Pericardial Referring to the pericardium, the sac of fibrous tissue that surrounds the heart. The inner surface of the…