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).
Spinal stenosis
Narrowing of the spaces in the spine, resulting in compression of the nerve roots or spinal cord by bony spurs or soft tissues, such as disks, in the spinal canal. This occurs most often in the lumbar spine (in the low back) but also…
Read the definitionRandom terms
Show more- Aggressive lymphoma A lymphoma that tends to grow and spread quickly and cause severe symptoms. In contrast to an indolent or…
- Asthma, thermally induced Asthma, thermally induced asthma: Asthma that is 'triggered' by vigorous physical activity. Exercise-induced…
- Psychodynamic therapy A type of psychotherapy that draws on psychoanalytic theory to help people understand the roots of emotional…
- Transplantation, peripheral blood stem cell A new technique in which stem cells are obtained from a patient's blood and used in bone marrow…
- Aldrec Trade name of the insecticide aldrin. See: Aldrin and dieldrin
- Pectoral muscles Muscles of the 'anterior chest' (the front of the chest). Familiarly called the pecs. The Latin 'pectus'…
- Macrogenitosomia Condition in which the external sex organs are prematurely enlarged or abnormally enlarged. In males, it is…
- Xylitol Xylitol: A sweetener found in plants that is used as a substitute for sugar. Xylitol is considered a…
- Mind That which thinks, reasons, perceives, wills, and feels. The mind now appears in no way separate from the…
- Disease, Jakob-Creutzfeldt A transmissible degenerative brain disorder technically termed spongiform encephalopathy. Eating 'mad cow'…
- Achilles In Greek mythology, the hero who was thought to have some special medical knowledge. Achilles studied…
- Lower segment Cesarian section (LSCS) A Cesarian section in which the surgical incision (cut) is made in the lower segment of the uterus