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).
Parasitic worm
A worm classified as a parasite. (A parasite is a disease-causing organism that lives on or in a human or another animal and derives its nourishment from its host.) Lice are examples of parasites that live on humans; bacteria and viruses…
Read the definitionRandom terms
Show more- Dipeptide A peptide consisting of two amino acids
- Seabather's itch An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Duchenne-Erb palsy See: Erb palsy
- Knockout mouse A mouse missing a single gene (that has been knocked out). Knockout mice are used in biomedical research
- Congenital retraction syndrome See: Duane syndrome
- Version 1. In obstetrics, the process of turning the fetus. A cephalic version brings the fetal head into the birth…
- Extravasate To exude from or pass through the walls of a vessel into the surrounding tissues. Blood, lymph, or urine can…
- Colic Colic: An attack of crying and apparent abdominal pain in early infancy. This is a common condition…
- COMT Abbreviation for catechol-O-methyltransferase
- Cardiac index A cardiodynamic measure based on the cardiac output, which is the amount of blood the left ventricle ejects…
- Pagon syndrome Congenital anemia with spinocerebellar ataxia (wobbliness). The anemia is characterized by sideroblasts…
- Borderline personality disorder Borderline personality disorder: A serious mental illness characterized by pervasive instability in moods…