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).
Meningitis vaccine
This term usually refers to a vaccine used to prevent meningococcal meningitis, an inflammation of the membranes that cover the brain and spinal cord due to bacterial infection by Neisseria meningitidis. The CDC's Advisory Committee on…
Read the definitionRandom terms
Show more- Branched-chain ketoaciduria See: Maple syrup urine disease
- Assistive technology This term may be used to mean an assistive device, but more commonly denotes some kind of electronic or…
- Memory, short-term A system for temporarily storing and managing information required to carry out complex cognitive tasks such…
- Carpal tunnel release A surgical procedure to relieve pressure exerted on the median nerve within the carpal tunnel (the carpal…
- Luteinizing hormone A hormone released by the pituitary gland in response to luteinizing hormone- releasing hormone. Abbreviated…
- LSCS Lower segment Cesarian section. A Cesarian section in which the surgical incision (cut) is made in the lower…
- Hemorrhage Bleeding or the abnormal flow of blood. The patient may have an internal hemorrhage that is invisible or an…
- Larynx transplant A transplant of the larynx, or voicebox. This procedure permits a human-sounding voice with inflection…
- Polymerase chain reaction (PCR) PCR
- Medicated stent See: Coated stent
- Perianal abscess An abscess next to the anus that causes tenderness, swelling, and pain on defecation
- Cancer, brain Cancer of the central information processing center of the body. Tumors in the brain can be malignant or…