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).
Hearing aid
An instrument to help in hearing. There are four common styles of hearing aids. From largest to smallest, they are: > >Behind-the-ear (BTE) hearing aids, >In-the-ear (ITE) hearing aids, >In-the-canal (ITC) hearing aids, and…
Read the definitionRandom terms
Show more- Tabes dorsalis Slowly progressive degeneration of the spinal cord that occurs in the tertiary (third) phase of syphilis a…
- Jackknife seizure See: Infantile spasms
- Differentiated cancer Cancer: A cancer in which the cells are mature and look like cells in the tissue from it arose…
- Bubo An enlarged lymph node ('swollen gland') that is tender and painful, particularly in the groin and armpit…
- Null mutation A mutation (a change) in a gene that leads to its not being transcribed into RNA and/or translated into a…
- Balanoposthitis In the uncircumcised male, balanitis (inflammation of the glans, the rounded head of the penis) and posthitis…
- Bone, blade Familiar term for the scapula, also called the shoulder blade or wing bone, the flat triangular bone at the…
- Otitis media, acute See: Acute otitis media
- Test, carcinoembryonic antigen See: Carcinoembryonic antigen
- Ascariasis Infection with Ascaris lubricoides, the intestinal roundworm, the most common worm infection in humans…
- Meningitis, meningococcal Meningitis, meningococcal: Inflammation of the meninges (the membranes covering of the brain and spinal cord)…
- Mucopolysaccharidosis type I Hurler syndrome, Scheie syndrome, and Hurler-Scheie syndrome. All three of these syndromes are due to varying…