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).
Retrodiagnosis
Retrospective diagnosis. The proposal that the mysterious illness that killed Alexander the Great more than 2,300 years ago was West Nile fever is an exercise in retrodiagnosis
Read the definitionRandom terms
Show more- Tibia The larger of the two bones in the leg (the smaller one being the fibula). The tibia is familiarly known as…
- Defecation syncope The temporary loss of consciousness (syncope) upon defecating (having a bowel movement). Syncope is the…
- Test, visual acuity This test measures how well you see at various distances. It is the familiar eye chart test. The eye chart…
- Pregnancy calendar A pregnancy calendar is a chronological depiction of changes in a pregnant woman and the embryo/fetus during…
- Extradural hematoma See: Epidural hematoma
- Kidney infection in children See: Urinary tract infection in children
- Tonsillectomy Tonsillectomy: The surgical removal of both tonsils. A tonsillectomy may be performed in cases of recurrent…
- Hyperhidrosis, axillary See: Axillary hyperhidrosis
- Cardiac myxoma A benign tumor of the heart and the most common type of heart tumor in adults. Cardiac myxomas can appear in…
- Thymosin One of several polypeptide hormones secreted by the thymus that control the maturation of T cells. They are…
- OxyContin OxyContin: A prescription painkiller that has become a popular and dangerous recreational drug. Also called…
- Nerve, fifth cranial The fifth cranial nerve is the trigeminal nerve. The trigeminal nerve is quite complex. It functions both as…