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).
Motor neuron disease
A group of neurological diseases characterized by steadily progressive deterioration of the motor neurons in the brain, brainstem and spinal cord that send instructions in the form of electrical impulses to the muscles, leading to muscle…
Read the definitionRandom terms
Show more- Case-fatality percentage See: Case-fatality proportion
- Micturition syncope The temporary loss of consciousness upon urinating. (Syncope is the temporary loss of consciousness or, in…
- Yersinia enterocolitica A bacterium that causes an infectious disease called yersiniosis. Yersinia enterocolitica is a member of the…
- Thumb The short thick finger situated at an angle to the other fingers so it can be opposed to the them, making it…
- Syndrome, MASS A heritable disorder of connective tissue characterized by involvement of the mitral valve, aorta, skeleton…
- Telemedicine The use of medical information exchanged from one site to another via electronic communications for the…
- Palmar surface The palm or grasping side of the hand
- OCP Obsessive-compulsive personality disorder.
- Psychosis, ICU A disorder in which patients in an intensive care unit (ICU) or a similar hospital setting may experience…
- Dextroposition of the heart The heart is displaced to the right (from its usual location in the left chest). There is no anatomic…
- Completely-in-the-canal hearing aid The smallest and most discreet of the common styles of hearing instruments. Completely-in-the-canal (CIC)…
- Diploid The number of chromosomes in most cells of the body. This number is 46 in humans. It is naturally twice the…