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, Crohn's
Crohn's disease affecting only the large intestine (colon). Crohn's disease is a chronic inflammatory disorder, primarily involving the small and large intestine, but which can affect other parts of the digestive system as well. It is…
Read the definitionRandom terms
Show more- Change, single base A change in which a single base in the DNA differs from the usual base at that position. These single base…
- NREM sleep Sleep: NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- SPECT scan Single Photon Emission Computed Tomography, a nuclear medicine procedure in which a gamma camera rotates…
- Neoplastic Pertaining to a neoplasm or neoplasia. See those terms for more information.
- DXA Dual X-ray absorptometry. A technique for scanning bone and measuring bone mineral density (BMD). A DXA…
- Syndrome, renal, with hemorrhagic fever A number of diseases, also known as hemorrhagic fever, characterized by an abrupt onset of high fever and…
- Bone, temporal See: Temporal bone
- Hidradenitis suppurativa This is an illness characterized by multiple abscesses that form under the arm pits and in the groin area
- Ulcer, gastric A hole in the lining of the stomach corroded by the acidic digestive juices which are secreted by the stomach…
- Langer-Saldino type achondrogenesis See: Achondrogenesis type II
- Oogonium A female ancestral germ cell that divides several times to give rise to an oocyte that, in turn, develops…
- Coenzyme Q10 A compound needed for the proper functioning of an enzyme, a protein that speeds up the rate at which…