MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Syndrome, locked-in
A neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body except for those that control eye movement. The locked-in syndrome is usually a complication of a cerebrovascular accident (a stroke)…
Read the definitionRandom terms
Show more- Palpable Something that can be felt or touched. For example, a palpable tumor is one that can be felt. From the Latin…
- Sporadic primary pulmonary hypertension See: Pulmonary hypertension
- Epigastrium The part of the abdominal wall above the umbilicus (belly button). The hypogastrium is the part of the…
- PCR (polymerase chain reaction) PCR (polymerase chain reaction): A key technique in molecular genetics that permits the analysis of any short…
- Gnashing Grinding the teeth. More formally called 'bruxism.' Gnashing, or bruxism, is due to clenching of the teeth…
- St John's wort A flowering plant, Hypericum perforatum, also known as Perforate St John's wort, that has long been believed…
- Upper motor neuron A neuron that starts in the motor cortex of the brain and terminates within the medulla (another part of the…
- Appendix epiploica A finger-like projection of fat attached to the colon.
- Telomere The end of a chromosome, a specialized structure involved in the replication and stability of the chromosome…
- Malaria Malaria: An infectious disease caused by protozoan parasites from the Plasmodium family that can be…
- Fear of dogs An abnormal and persistent fear of dogs. Sufferers of this fear experience anxiety even though they realize…
- Bacteriocidal The science and study of bacteria and their relation to medicine and to other areas such as agriculture…