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).
Acute epiglottitis
A very rapidly progressive infection causing inflammation of the epiglottis (the flap that covers the trachea) and tissues around the epiglottis that may lead to abrupt blockage of the upper airway and death. The infection is usually…
Read the definitionRandom terms
Show more- CD40 A receptor molecule on the cell surface of all mature B cells (B lymphocytes), most B-cell malignancies, and…
- Seizure, salaam See: Infantile spasms
- African American An American of black African descent. The term may also be written with a hyphen as African-American. The…
- Ehrlichiosis An acute (abrupt onset) disease, first reported in humans in 1986, due to infection by the rickettsial agent…
- Hepat- Having to do with the liver. Pronounced hi-'pa-tik. From the Latin hepaticus derived from the Greek hepar…
- Donor, universal A person who is type O in the ABO blood group system and can donate blood to all recipients
- Thalassiosira pseudonana An ocean diatom that is a major participant in the biological pumping of carbon to ocean depths and that has…
- Syndrome, MASS A heritable disorder of connective tissue characterized by involvement of the mitral valve, aorta, skeleton…
- Anterograde memory Loss of short-term memory with retention of memories from the distant past (long-term memory)
- CHEK2 A gene on chromosome 22q that encodes a kinase enzyme and influences a person's susceptibility to breast…
- Child injury, mental Also known as emotional child abuse, this is the third most frequently reported form of child abuse (after…
- Nursing home A residential facility for persons with chronic illness or disability, particularly older people who have…