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).
Ebola virus
A notoriously deadly virus that causes fearsome symptoms, the most prominent being high fever and massive internal bleeding. Ebola virus kills as many as 90% of the people it infects. It is one of the viruses that is capable of causing…
Read the definitionRandom terms
Show more- Rectal bleeding Rectal bleeding: Blood passed rectally. Blood in the stool can be bright red or maroon in color. Larger…
- Anorexia, cancer See: Cancer anorexia
- Cognitive Pertaining to cognition, the process of knowing and, more precisely, the process of being aware, knowing…
- Cardioversion The conversion of one cardiac rhythm or electrical pattern to another, almost always from an abnormal to a…
- Hypospadias A birth defect of the penis involving the urethra (the transport tube leading from the bladder to discharge…
- ALS Amyotrophic lateral sclerosis. ALS has two meanings. One meaning of ALS refers to several adult diseases…
- Carcinoma of the tongue See: Tongue cancer
- Fat scales See: Bioelectric impedance analysis
- Discordant couple A pair of long-term sexual partners in which one has a sexually transmitted infection and the other does not…
- Vena cava syndrome, superior The symptoms that result from compression of the large vein that carries blood down to the heart. The…
- Three-day fever See: Sandfly fever
- Syncope, situational The temporary loss of consciousness in a particular kind of situation. The situations that trigger this…