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).
C-section
Short for Caesarian section, a procedure in which a baby, rather than being born vaginally, is surgically extracted (removed) from the uterus. As the name 'Caesarian' suggests, this is not exactly a new procedure. It was done in ancient…
Read the definitionRandom terms
Show more- Water channel See: Aquaporin
- Spitz-Holter valve A pioneering one-way valve created by John Holter to treat hydrocephalus. In 1955 Mr. Holter, , a hydraulics…
- Prostatitis, chronic bacterial Prostatitis, chronic bacterial: Longstanding bacterial infection of the prostate gland superimposed on a…
- Barosinusitis Sinus troubles, particularly with pain, due to changing atmospheric pressures, as when going up or down in a…
- Cogan syndrome Arteritis (also referred to as vasculitis) that involves the ear. This condition is called Cogan syndrome…
- Myeloproliferative Referring to the proliferation of the bone marrow cells that give rise to red blood cells, granulocytes (a…
- Elastase An enzyme that digests and degrades a number of proteins including elastin, an elastic substance in the lungs…
- Anorgasmy Or anorgasmia. Failure of a male or female to achieve an orgasm (climax) during sexual intercourse…
- Pistol-shot pulse See: Pulse, water hammer
- Tooth erosion Tooth erosion is a gradual loss of the normally hard surface of the tooth due to chemical, not bacterial…
- Exonuclease An enzyme that cleaves nucleotide bases sequentially from the free ends of a nucleic acid (DNA or RNA)
- Lethal Deadly, fatal, capable of causing death, death-dealing. The word 'lethal' comes from the Latin 'letum'…