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).
Toothache
Toothache: Pain in or near a tooth. Also called odontalgia. The most common cause of a toothache is a dental cavity. The second most common cause is gum disease. Toothache can be caused by a problem that does not originate from a tooth or…
Read the definitionRandom terms
Show more- Sinus 1. An air-filled cavity in a dense portion of a skull bone. The sinuses decrease the weight of the skull. The…
- Caspase-3 See: Caspase 3
- Shark attack >Always swim in a group. Sharks most often attack lone individuals. >Don't wander too far from shore. Doing…
- Elbow dislocation See: Nursemaid's elbow
- Debride To remove dead, contaminated or adherent tissue or foreign material. The purpose of wound debridement is to…
- Penicillium notatus The species of bread mold that produces penicillin. See also: Penicillin history
- Dysuria Painful or difficult urination. This includes burning on urination. Dysuria is most commonly due to bacterial…
- Internal jugular vein The deeper of the two jugular veins in the neck that drain blood from the head, brain, face and neck and…
- Dysplastic nevus An atypical mole whose appearance is different from that of a common ordinary mole. Dysplastic nevi tend to…
- MDS Myelodysplastic syndrome, or myelodysplastic syndromes
- ACE (angiotensin converting enzyme) The angiotensins are peptides (substances smaller than proteins) that act as vasoconstricting agents (causing…
- Antisense mRNA An mRNA (messenger RNA) transcript that is complementary to endogenous mRNA. Antisense mRNA is the noncoding…