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).
Colitis
Inflammation of the large intestine (the colon). There are many forms of colitis, including ulcerative, Crohn's, infectious, pseudomembranous, and spastic. For example, intermittent rectal bleeding, crampy abdominal pain and diarrhea can…
Read the definitionRandom terms
Show more- Memory, short-term A system for temporarily storing and managing information required to carry out complex cognitive tasks such…
- Rickets, vitamin D resistant A rickets-like condition caused by an inborn defect of metabolism, usually in males. Vitamin D cannot be…
- XYY syndrome A chromosomal disorder that affects males only, caused by the presence of an extra Y chromosome. Symptoms may…
- Ubiquitination The 'kiss of death' process for a protein. In ubiquitination, a protein is inactivated by attaching ubiquitin…
- Hypovolemic Referring to hypovolemia, an abnormal decrease in blood volume. As, for example, hypovolemic shock
- Fasciculation Involuntary contractions or twitchings of groups of muscle fibers. Fasciculations can occur in normal…
- Toxic shock syndrome A grave condition occurring predominantly in menstruating women using tampons, toxic shock is characterized…
- MSG Monosodium glutamate, a sodium salt of the amino acid glutamic acid that enhances the flavor of certain…
- DSM-IV The 4th edition of 'Diagnostic and Statistical Manual of Mental Disorders' (DSM) a comprehensive…
- HELLP syndrome A syndrome featuring a combination of 'H' for hemolysis (the breakdown of red blood cells), 'EL' for elevated…
- Immunocompromised Having an immune system that has been impaired by disease or treatment
- Cognitive behavior therapy See: Cognitive therapy