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).
Fatigue
A condition characterized by a lessened capacity for work and reduced efficiency of accomplishment, usually accompanied by a feeling of weariness and tiredness. Fatigue can be acute and come on suddenly or chronic and persist. 'Fatigue' is…
Read the definitionRandom terms
Show more- Cancer of the appendix See: Appendix cancer
- IM (intramuscular) An IM medication is given by needle into the muscle. This is as opposed to a medication that is given by a…
- Lou Gehrig disease Amyotrophic lateral sclerosis (ALS), a classic motor neuron disease. Motor neuron diseases are progressive…
- Relapse The return of signs and symptoms of a disease after a patient has enjoyed a remission. For example, after…
- PNET Primitive neuroectodermal tumor. One of a remarkable group of tumors that originate in cells from the…
- Atypical measles syndrome (AMS) Measles syndrome (AMS): An altered expression of measles, AMS begins suddenly with high fever, headache…
- Thalassemia minor Also called thalassemia trait, thalassemia minor is the carrier state for beta thalassemia. People who are…
- Leukemia, smoldering A condition in which the bone marrow does not function normally. It does not produce enough blood cells. This…
- Musical hallucination A form of auditory hallucination in which music is heard, often the same piece of music. In most cases the…
- Test, sweat chloride See: Sweat test
- Magnesium deficiency Can occur due to inadequate intake or impaired intestinal absorption of magnesium. Low magnesium…
- NS Noonan syndrome, a multifaceted condition characterized by a series of birth defects (congenital…