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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Ethmoid bone
An irregularly shaped, spongy bone that provides the floor of the front part of the skull and the roof of the nose. The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve
Read the definitionRandom terms
Show more- Randomized clinical trial A clinical trial in which the participants are assigned randomly (by chance alone) to different treatments…
- Prostate cancer gene Prostate cancer gene: One of the genes that influences the origin and/or progression of prostate cancer…
- Hereditary ALS See: Familial ALS
- Typhoid Mary Someone who by force of circumstances serves as the source from which something undesirable spreads. Typhoid…
- Emergency department The department of a hospital responsible for the provision of medical and surgical care to patients arriving…
- Lingelsheimia A group of bacteria named after W. von Lingelsheim. Now known as Acinetobacter. See: Acinetobacter
- Blood, urinary Medically called hematuria, blood in the urine can be microscopic or gross. Evaluating hematuria requires…
- Niemann-Pick disease type C Abbreviated NPC. A type of Niemann-Pick disease inherited in an autosomal recessive manner, resulting in…
- MM In medicine, the abbreviation for meningomyelocele (spina bifida), malignant melanoma, and multiple myeloma…
- Bursae Plural of bursa
- Dystonia Dystonia: Involuntary movements and prolonged muscle contraction, resulting in twisting body motions, tremor…
- Aniline A chemical compound implicated, along with o-toluidine, in the causation of bladder cancer. Aniline and…