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).
Periodic fever
Recurrences of fever that last from a few days to a few weeks and are separated by symptom-free intervals of varying duration. This pattern of fever can be caused by recurrent infection, malignancy or noninfectious inflammatory disorders…
Read the definitionRandom terms
Show more- Big toe sign An important neurologic examination based upon what the big toe (and other toes) do when the sole of the foot…
- Intron Part of a gene that is initially transcribed into the primary RNA transcript but then removed from it when…
- HSA 1. In the US, Health Saving Account.2. Human serum albumin
- APA 1. American Psychiatric Association. 2. American Psychological Association. 3. American Podiatry Association…
- Lauterbur, Paul C. American scientist (1929-) who shared the 2003 Nobel Prize for Physiology or Medicine with Sir Peter…
- Postulates, Koch's In 1890 the German physician and bacteriologist Robert Koch set out his celebrated criteria for judging…
- Time, prothrombin A clotting test, the prothrombin time is done to test the integrity of part of the clotting scheme. The…
- Godfrey Hounsfield See: Hounsfield, Godfrey
- Regulatory region A region of a chromosome that controls gene expression. In terms of DNA, it is a regulatory sequence
- Hayfever Hay fever is, always has been, and ever shall be two separate words. See: Hay fever
- CLA 1. Conjugated linoleic acid.2. Cervical lymphadenopathy (swollen lymph nodes in the neck).3. Congenital…
- Immunization, rubella See Immunization, MMR.