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).
Alkaloid
A member of a large group of chemicals that are made by plants and have nitrogen in them. Many alkaloids possess potent pharmacologic effects. The alkaloids include cocaine, nicotine, strychnine, piperine, caffeine, morphine, pilocarpine…
Read the definitionRandom terms
Show more- Chromosome inversion A basic type of chromosome rearrangement. A segment that does not include the centromere (and so is…
- Cadaver wart A warty growth on the hand due to tuberculosis, typically of someone doing postmortem examinations. A cadaver…
- Postmenopause The period of time after the menopause. The postmenopause is formally defined as the time after which a woman…
- Cancer, testicular Cancer of the male sex organ (testicle) that normally produces the hormone testosterone. One of the most…
- Aux- Prefix indicating growth or increase
- Aqueduct of the midbrain A canal that communicates between the third and fourth ventricles in a system of four communicating cavities…
- Heatliness A characteristic of certain foods or other substances believed to cause emotional or physical reactions…
- Flora The population of microbes inhabiting the outside or inside surfaces of people (or other animals). Also, the…
- Taenia solium The pork tapeworm. Contracted from eating undercooked or measly pork (pork infected with the larval forms of…
- Medical symbol A staff or rod with a snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios)…
- Sterilization, surgical Surgical sterilization is a contraceptive option for people who do not want children in the future. It is…
- Mitochondrial encephalopathy, MELAS MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Stroke-like episodes. MELAS is a…