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).
Trait, sickle cell
A person who possess one copy of the gene for sickle cell anemia. This person carries the gene but does not have the disease. If two people with sickle cell trait have children together, each of their children has a one in four chance…
Read the definitionRandom terms
Show more- Z chromosome A sex chromosome in certain animals, such as chickens, turkeys, and moths. In humans, males are XY and…
- Sympathetic nervous system A part of the nervous system that serves to accelerate the heart rate, constrict blood vessels, and raise…
- GIST Gastrointestinal stromal tumor
- Abscess, skin See: Skin abscess
- Pharmacy benefit manager A company under contract with managed care organizations, self-insured companies, and government programs to…
- Colorblindness The inability to perceive colors in a normal fashion. The most common forms of colorblindness are inherited…
- Tuberculotic See: Tuberculous
- Isotonic solution A solution that has the same salt concentration as the normal cells of the body and the blood. As opposed to…
- Sigmoidoscopy Inspection of the rectum and lower colon using a thin lighted tube called a sigmoidoscope. Samples of tissue…
- Full gene sequence The complete order of bases in a gene. This order determines which protein a gene will produce
- Polony A tiny colony of DNA, about one micron in diameter. The word 'polony' is a contraction of 'polymerase…
- CPM machine A machine used to help rehabilitate a limb (an arm or leg). The continuous passive motion (CPM) machine is…