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).
Human herpesvirus 4
See Epstein-Barr virus.
Read the definitionRandom terms
Show more- Multiple abortions Two or more miscarriages (spontaneous abortions) by a woman. Couples who have had multiple abortions have…
- National Heart, Lung, and Blood Institute (NHLBI) One of the National Institutes of Health in the U.S., the NHLBI's mission is to 'provide leadership for a…
- Ductus, patent Failure for the ductus arteriosus, an arterial shunt in fetal life, to close on schedule. Before birth, blood…
- Syndrome, floppy baby A general medical reference to an abnormal condition of newborns and infants manifested by inadequate tone of…
- Myasthenia gravis Prefix that denotes a relationship to fungus. From the Greek mykes, meaning fungus.
- Hemorrhagic fever, epidemic A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and…
- Acetoacetate A molecular ion, CH3COCH2COO-, derived from acetoacetic acid
- Miscarriage Miscarriage: Inadvertent loss of a pregnancy before the fetus is viable. A considerable proportion of…
- Intracranial hematoma A hematoma (a collection of blood) within the cranium (skull). The bleed may or may not be within the brain…
- Erythema dose The amount of radiation which, applied to the skin, makes it turn temporarily red (erythematous)
- Diphtheria Diphtheria: An acute infectious disease that typically strikes the upper respiratory tract including the…
- IU (international unit) An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…