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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Immunosuppressive agent
A medication that slows or halts immune system activity. Immunosuppressive agents may be given to prevent the body from mounting an immune response after an organ transplant or for treating a disease that is caused by an overactive immune…
Read the definitionRandom terms
Show more- Sprue, nontropical This condition results from an immune (allergic) reaction to gluten, a protein found in wheat and related…
- Sperm A sperm is the male 'gamete' or sex cell. It combines with the female 'gamete,' called an ovum, to form a…
- Acellular vaccine A vaccine that may contain cellular material but does not contain complete cells
- Injury, hangman (Hangman's fracture) Injury to one of the two crescent-shaped cartilage pads between the two joints formed by the femur (the thigh…
- Library In genetics, a library is an unordered collection of clones (i.e., cloned DNA from a particular organism)…
- Signature 1) That part of the prescription that contains the doctor's directions to the patient. For example, the…
- Pachyderma Thick skin, like that of a pachyderm (an elephant, rhinoceros, or hippopotamus). From the Greek pachydermos…
- Philtrum The area from below the nose to the upper lip. Normally the philtrum is grooved. In fetal alcohol syndrome…
- Disorder, specific developmental A disorder that selectively affects one area of development, sparing essentially all other areas of…
- Major depression A disease with certain characteristic signs and symptoms that interferes with the ability to work, sleep…
- Alpha Omega Alpha The medical honor society, the medical school equivalent of Phi Beta Kappa, in the United States and Canada…
- Sac, dural See: Dural sac