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).
Agent Orange
An herbicide and defoliant containing 2,4-D and 2,4,5-T and trace amounts of dioxin. Agent Orange was used as a defoliant in the Vietnam War. There has been concern about Agent Orange as a carcinogen and teratogen (cause cancer and birth…
Read the definitionRandom terms
Show more- Prothrombin G20210A mutation See: Prothrombin mutation G20210A
- Bloody show 1. The blood-tinged mucus created by extrusion and passage of the mucous plug that filled the cervical canal…
- Beijerinck See: Beijerinck, Martinus W.
- Tinea capitis A superficial fungus infection of the skin, affecting the scalp. Also known as ringworm. This disorder occurs…
- Mask of pregnancy Muddy-brown pigmentation on the cheeks or elsewhere on the face that develops in about half of all women…
- Certified midwife A midwife who has been certified by her state or national agency for credentialing midwives
- Cerebrum The largest part of the brain. It is divided into two hemispheres, or halves. The word 'cerebrum' is the…
- Seroconversion Seroconversion: The development of detectable antibodies in the blood directed against an infectious agent…
- Children's immunizations Immunizations: In the United States, it is recommended that all children receive vaccination against: >…
- Leukemia, acute myeloid Leukemia, acute myeloid: A quickly progressive malignant disease in which there are too many immature…
- Cephalic disorder A congenital condition that stems from damage to, or abnormal development of, the budding nervous system…
- Kalemia The presence of potassium in the blood. The word 'kalemia' is seldom used today although it is the basis for…