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).
Active immunity
The production of antibodies against a specific agent by the immune system. Active immunity can be acquired in two ways: > >by contracting an infectious disease -- such as, for example, chickenpox; or >by receiving a vaccination usually…
Read the definitionRandom terms
Show more- Copy number polymorphism Abbreviated CNP. A normal variation in DNA due to variation in the number of copies of a sequence within the…
- CA 27-29 A tumor marker similar to the CA 15-3 that is found in the blood of most breast cancer patients. CA 27-29…
- Landry ascending paralysis A particularly virulent form of Guillain-Barre syndrome. The disorder often begins with a flu-like illness…
- Barium enema Barium enema: A series of x-rays of the lower intestine (colon) and rectum that are taken after the patient…
- Squamous cell carcinoma Cancer that begins in squamous cells -- thin, flat cells that look under the microscope like fish scales…
- Tetraethyl lead Tetraethyl lead.
- Pediatric urinary tract infection See: Urinary tract infection in children
- Tent, oxygen A tent-like device used to deliver high levels of oxygen to a patient in a bed. The tent typically covers the…
- Ovarian cancer test CA 125 See: CA 125
- Vesical Refers to the urinary bladder. The word comes from the Latin vesica meaning a bag or bladder
- Choanae The plural of choana
- Tyr Tyrosine. See also: Amino acid symbols