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).
Anemia, pernicious
A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not produce the substance in the stomach that allows the body to absorb vitamin B12. This substance is called intrinsic factor (IF). Pernicious anemia is…
Read the definitionRandom terms
Show more- T lymphocyte, cytotoxic See: Cytotoxic T-lymphocyte
- Ectoparasite A parasite that lives on or in the skin but not within the body. Fleas and lice are ectoparasites…
- Lipoid nephrosis The earliest stage of nephrosis (the nephrotic syndrome of childhood). See: Minimal change disease. See also…
- Multidetector-row computed tomography See: Multidetector computed tomography
- Desmoid tumor A benign soft tissue tumor that occurs most often in young adults and involves the limbs or trunk but can…
- Atopic Prone to allergies or characterized by allergy
- Echolalia The involuntary parrotlike repetition (echoing) of a word or phrase just spoken by another person. Echolalia…
- Brain edema See: Cerebral edema
- Sebaceous cyst A sebaceous cyst is a rounded swollen area of the skin formed by an abnormal sac of retained excretion…
- EYCL3 A gene for brown/blue eye color located on chromosome 15. See also: Eye color
- Curette A spoon-shaped instrument with a sharp edge. The word 'curette' comes from the French and means a 'scraper.'…
- Disease, Norwalk Disease due to Norwalk virus, not one but a family of small round viruses that are an important cause of…