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).
MEDLARS
MEDLARS® is an acronym that stands for Medical Literature Analysis and Retrieval System. It is a computer-based system of the U.S. National Library of Medicine (NLM) that allows rapid access to NLM's store of biomedical information…
Read the definitionRandom terms
Show more- ALCAM A receptor expressed on T cells which is involved in the adhesion of cells. ALCAM stands for activated…
- Protein kinase A An enzyme system that is activated by cyclic adenosine monophosphate (cAMP) and that catalyzes the activity…
- Periodontal disease A bacterial infection that destroys the attachment fibers and supporting bone that hold the teeth in the…
- DES Diethylstilbestrol, the earliest synthetic (man-made) form of a hormone in the estrogen class. DES was once…
- Histiocytosis, Letterer Siwe A severe disease in which histiocytes start to multiply and attack the tissues or organs of the patient…
- Anesthesia Loss of feeling or awareness. A general anesthetic puts the person to sleep. A local anesthetic causes loss…
- Menstrual migraine A migraine headache that affects a woman each month between the 2nd day before the start of the menstrual…
- Caudal block See Caudal anesthesia
- Negative clinical trial A clinical trial that shows that a new treatment is inferior to standard treatment. See: Clinical trials. See…
- LAAM Levo-alpha acetyl methadol, an alternative to methadone that blocks the effects of opiates for up to 72 hours…
- Ubiquitin A small but extremely important protein that acts the 'kiss of death' to other proteins. Ubiquitin consists…
- Incontinentia pigmenti In medicine, the time from the moment of exposure to an infectious agent until signs and symptoms of the…