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).
Elliptocytosis
Hematologic disorder characterized by elliptically shaped red blood cells (elliptocytosis) with variable breakup of red cells (hemolysis) and varying degrees of anemia. Inherited as a dominant trait. Due to mutation (change) in one of the…
Read the definitionRandom terms
Show more- Co-stimulation An event in the immune system involving the delivery of a second signal by an antigen-presenting cell. The…
- Nucleocapsid The genome + the protein coat of a virus. The nucleic acid (RNA or DNA) of the virus is its genome. The…
- European typhus See: Typhus, epidemic
- Laboratory A place for doing tests and research procedures and preparing chemicals, etc. Although 'laboratory' looks…
- Hereditary nonpolyposis colon cancer (HNPCC) An hereditary cancer syndrome which carries a very high risk of colon cancer and an above-normal risk…
- Encephalitis, flavivirus See: Flavivirus encephalitis
- Axis The axis is the second cervical vertebra (symbol: C2). It is called the 'axis' because the uppermost cervical…
- Stercolith See: Fecalith
- Migraine headache Migraine headache: The most common type of vascular headache involving abnormal sensitivity of arteries in…
- Valsalva 1. The Valsalva maneuver in which a person tries to exhale forcibly with a closed glottis (windpipe) so that…
- Ascites Abnormal buildup of fluid in the abdomen. Ascites can occur as a result of a number of conditions, including…
- Infant fat requirements Fat in human milk provides 30%-35% of the total daily caloric needs for a growing infant. Manufacturers of…