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).
Differential diagnosis
The process of weighing the probability of one disease versus that of other diseases possibly accounting for a patient's illness. The differential diagnosis of rhinitis (a runny nose) includes allergic rhinitis (hayfever), the abuse of…
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Show more- Nephrolithiasis The process of forming a kidney stone, a stone in the kidney (or lower down in the urinary tract). Kidney…
- Auditory perception The ability to identify, interpret, and attach meaning to sound
- Secondhand smoke Also known as environmental tobacco smoke (ETS). See: ETS
- Uroporphyrinogen decarboxylase deficiency See: UROD deficiency
- Hypogeusia A reduced ability to taste things (to taste sweet, sour, bitter, or salty substances). Some people cannot…
- Vaccinia immune globulin A blood product rich in antibodies against vaccinia, the virus in the smallpox vaccine. Vaccinia immune…
- Reflux surgery (fundoplication) A surgical technique that strengthens the barrier to acid reflux when the lower esophageal sphincter does not…
- Nuchal translucency test A measurement of the size of the translucent space behind the neck of the fetus using ultrasound at between…
- Depression, dysthymia A type of depression involving long-term, chronic symptoms that are not disabling, but keep a person from…
- Thalassiosira pseudonana An ocean diatom that is a major participant in the biological pumping of carbon to ocean depths and that has…
- Shotgun sequencing An approach used to decode a genome by shredding ('shotgunning') it into smaller fragments of DNA which can…
- Macrobiotic diet A diet concept that incorporates Ayurvedic principles of food combining, relies mainly on whole grains and…