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).
Cleft lip
The presence of one or two vertical fissures (clefts) in the upper lip -- cleft lip can be on one side only (unilateral) or on both sides (bilateral) -- resulting from failure of the normal process of fusion of the lip to come to…
Read the definitionRandom terms
Show more- NK cell See Natural killer cell
- Genome, plague See: Plague bacterium genome
- CBER Center for Biologics Evaluation & Research: Part of the FDA (the US Food & Drug Administration)
- Virion A complete virus particle with its DNA or RNA core and protein coat as it exists outside the cell. Also…
- Vertebrae, cervical The cervical (neck) vertebrae are the upper 7 vertebrae in the spinal column (the vertebral column). They are…
- Transsexualism A consistently strong desire to change one's anatomical gender. Some transsexuals were misassigned gender at…
- Brucellosis An infectious disease due to the bacteria Brucella that causes rising and falling (undulant) fevers, sweats…
- Blister beetle A blister beetle is one of a number of beetles that have historically been used in dried or powdered form for…
- Electrophrenic respiration See: Diaphragm pacing
- Isoflavone A type of plant estrogen (phytoestrogen) found chiefly in soybeans
- Acute otitis media Otitis media: Inflammation of the middle ear in which there is fluid in the middle ear accompanied by signs…
- Berry aneurysm A berry aneurysm is a small outpouching (an aneurysm) that looks like a berry and classically occurs at the…