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.
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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).
Y sex-determining region
A region on the Y chromosome that determines the sex of the individual. This region goes by the symbol SRY (sex region Y). SRY is necessary and sufficient for male sex determination. It is the testis-determining factor. Mutations in SRY…
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Show more- Campylobacter jejuni A bacterium that typically infects the bowels. Now the leading cause of bacterial food poisoning…
- Common acute lymphocytic leukemia antigen (CALLA) A cell surface enzyme with neutral metalloendopeptidase activity that serves as a marker for the…
- Vaccination, mumps See Immunization, MMR
- Patient autonomy The right of patients to make decisions about their medical care without their health care provider trying to…
- Physician, emergency See: Emergency physician
- Diastolic Referring to the time when the heart is in a period of relaxation and dilatation (expansion). The noun for…
- Premature ventricular contraction PVC. A contraction of the lower chambers of the heart, the ventricles, which occur earlier than usual…
- Immunization, measles Measles: See Immunization, MMR
- Due date The estimated calendar date when a baby will be born, the date the baby is due to be born. It is also called…
- NIAMS Stands for National Institute of Arthritis and Musculoskeletal and Skin Diseases, one of the National…
- Lysenkoism A theory put forth by a Russian plant-breeder named Trofim Denisovich Lysenko [1898-1976] during the…
- Syndrome, MASS A heritable disorder of connective tissue characterized by involvement of the mitral valve, aorta, skeleton…