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).
Peliosis hepatis
A rare condition in which the liver contains multiple, randomly-distributed blood-filled spaces or cavities ranging in size from millimeters to several centimeters in diameter. Peliosis hepatis has been associated with the use of anabolic…
Read the definitionRandom terms
Show more- Heart The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the…
- Spinal cord injury Spinal cord injury: Trauma or damage to the spinal cord, the major column of nerve tissue that is connected…
- Elastase 1 Pancreatic elastase, a member of the pancreatic family of serine proteases. Although termed elastase, this…
- Pimples Small papules or pustules. See: Pimple
- Electrophoretic Pertaining to electrophoresis, the separation of molecules according to their size and electrical charge by…
- DV Blood clotting in the veins of the inner thigh or leg. In air travel, DVT is the "economy-class syndrome."…
- PEG Stands for percutaneous endoscopic gastrostomy, a surgical procedure for placing a feeding tube without…
- Rabies Rabies: A potentially fatal viral infection that attacks the central nervous system. The rabies virus is…
- Penis, erection of the When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora cavernosa…
- Macrolide One in a class of antibiotics that includes Biaxin, Clarithromycin, Ery-Tab, and Erythromycin. The macrolides…
- Mimetic The adjective for 'mimesis' -- imitation or mimicry. A radiomimetic drug is one that imitates the effects of…
- Nebulizer A device for administering a medication by spraying a fine mist into the nose. Also known as an atomizer