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).
Hepatitis D, E, F, and G
Lesser known (than hepatitis A, B, and C), the most significant of these seems to be type D, or the delta agent, which only causes disease in the presence of the hepatitis B virus
Read the definitionRandom terms
Show more- Morning sickness Nausea and vomiting of pregnancy. Morning sickness is a misnomer, because it can occur at any time of the day…
- Pharyngoesophageal diverticulum See: Zenker diverticulum
- Donor, universal A person who is type O in the ABO blood group system and can donate blood to all recipients
- Exercise cardiac stress testing The most widely used cardiac (heart) screening test. The patient exercises on a treadmill according to a…
- Emergency contraception The prevention of pregnancy after unprotected vaginal intercourse. Emergency contraception may use drugs…
- Electrophoresis A process by which molecules (such as proteins, DNA, or RNA fragments) can be separated according to size and…
- Keratoconjunctivitis Inflammation of the eye involving both the cornea and the conjunctiva. Keratoconjunctivitis can be due to…
- Tuberculosis vaccination A vaccination for tuberculosis (TB). The vaccine, known as BCG (bacille Calmette Guerin), is used in most…
- Ichthyosis vulgaris A genetic skin disease that is characterized by scaly (fishlike) areas of skin. The first scaly skin problems…
- Biological safety level 4 Level 4 biosafety
- Peritoneum The membrane that lines the abdominal cavity and covers most of the abdominal organs. (From the Greek peri-…
- Hypertrophic hypoproteinemic gastropathy See: Giant hypertrophic gastritis