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).
Heart
The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the chest behind the sternum (breastbone; in front of the trachea, esophagus, and aorta; and above the diaphragm muscle that separates…
Read the definitionRandom terms
Show more- Artery disease, coronary See: Coronary artery disease
- Eruption, bather's An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Donor, universal A person who is type O in the ABO blood group system and can donate blood to all recipients
- MEF2A A transcription factor that participates in vascular development. MEF2A is a member of the myocyte enhancer…
- Brucellosis An infectious disease due to the bacteria Brucella that causes rising and falling (undulant) fevers, sweats…
- Omentum A sheet of fat that is covered by peritoneum. The greater omentum is attached to the bottom edge of the…
- Radiation therapy, 3-D A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target it as…
- Neuropathy Any and all disease or malfunction of the nerves
- Mesothelin A protein attached to the cell surface that is thought to have a role in cell-adhesion and possibly in…
- Asymptomatic infection An infection without symptoms. Also known as inapparent or subclinical infection
- Lingelsheimia A group of bacteria named after W. von Lingelsheim. Now known as Acinetobacter. See: Acinetobacter
- Syndrome, Horner A complex of abnormal findings, namely sinking in of one eyeball, ipsilateral ptosis (drooping of the upper…