MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Natural immunity
Immunity that is naturally existing, Natural immunity does not require prior sensitization to an antigen. See: Innate immunity
Read the definitionRandom terms
Show more- Relapsing fever An acute infection with recurrent episodes of fever caused by spirochetes of the genus Borrelia which are…
- Translocation, Robertsonian A relatively very common and medically significant type of chromosome rearrangement that is formed by fusion…
- Injury Harm or hurt. The term 'injury' may be applied in medicine to damage inflicted upon oneself as in a hamstring…
- Family history of colon polyps See: Colon cancer family history
- Barr body A microscopic feature of female cells due to the presence of two X chromosomes in the female. One of these X…
- M protein An antibody or part of an antibody found in unusually large amounts in the blood or urine of patients with…
- Chargaff's rule See: Chargaff rule
- PRKAR1A Stands for Protein Kinase A Regulatory subunit 1-alpha. A multiple neoplasia syndrome called type I Carney…
- Ecchymotic Characterized by ecchymosis.
- DNA assembly The process of putting fragments of DNA that have been sequenced into their correct chromosomal positions…
- Sweat A colorless transparent acidic fluid with a distinctive odor secreted by the small tubular sudoriferous…
- Tick typhus, African See Typhus, African tick