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).
Sickle cell disease
A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S. Hemoglobin is the molecule in red blood cells that transports oxygen from the lungs to the farthest reaches of the body. Sickle cell…
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Show more- Liposarcoma A malignant tumor that arises in fat cells in deep soft tissue, such as that inside the thigh. Most frequent…
- Hiatus hernia Tal hernia): An anatomical abnormality in which part of the stomach protrudes up through the diaphragm into…
- Velvet ant sting Common in most parts of the world including the Southern and Southwestern United States, velvet ants are not…
- Meningitis, cryptococcal Inflammation of the meninges due to infection with the fungal organism cryptococcus neoformans, which is…
- Lewis Thomas See: Thomas, Lewis
- Diachronic study A study done over the course of time. For example, a longitudinal study of children with Down syndrome…
- Hernia Hernia: A general term referring to a protrusion of a tissue through the wall of the cavity in which it is…
- MCV Abbreviation for mean cell volume, the average volume of a red blood cell. This is a calculated value derived…
- Hantavirus A group of viruses that cause hemorrhagic fever and pneumonia. The Hantaviruses include the Hantaan virus…
- Recurrence The return of a sign, symptom or disease after a remission. The reappearance of cancer cells at the same site…
- Morton's metatarsalgia See: Morton's neuroma
- Fourth cranial nerve The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…