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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Papilla, cancer of
Cancer of: Cancer of a structure called the papilla or ampulla of Vater, a small muscle located at the junction where the common bile duct (carrying bile from the liver and secretions from the pancreas) empties into the duodenum (upper…
Read the definitionRandom terms
Show more- American Cancer Society (ACS) A 'nationwide community-based voluntary health organization dedicated to eliminating cancer as a major health…
- Pupil dilation test An examination that enables an eye care professional to see more of the retina, the light-sensitive layer of…
- Dwarfism, pituitary Dwarfism caused by a lack of growth hormone, usually due to malfunction of the pituitary gland. Children with…
- Dry eye A deficiency of tears. The main symptom is usually a scratchy or sandy feeling as if something is in the eye…
- Ventricle, lateral >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each…
- Megakaryocyte A giant cell in the bone marrow that is the ancestor of blood platelets.
- Hearing screening test, newborn Screening of the newborn baby's ability to hear. Newborn screening of hearing is done with automated auditory…
- Epistaxis Medical term for nosebleed. The nose is a part of the body that is very rich in blood vessels (vascular) and…
- Genitalia, female internal See: Female internal genitalia
- DNA polymerase Enzyme that catalyzes (speeds) the polymerization of DNA. DNA polymerase uses preexisting nucleic acid…
- Sensation In medicine and physiology, sensation refers to the registration of an incoming (afferent) nerve impulse in…
- Hairy cell leukemia A form of chronic leukemia in which malignant B-lymphocytes (a type of white blood cell) are seen in the bone…