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).
Meningoencephalitis
Meningitis + encephalitis, inflammation of the meninges and brain. Called also: Encephalomeningitis
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Show more- Plasma The liquid part of the blood and lymphatic fluid, which makes up about half of its volume. Plasma is devoid…
- Leukemia, myelogenous Condition in which the bone marrow makes too many white blood cells. Early symptoms include fatigue and night…
- Hobbit Nickname for the Flores man (Homo floresiensis). Derived from the fictional race from J. R. R. Tolkien's…
- Interferon Interferon: A naturally occurring substance that interferes with the ability of viruses to reproduce…
- Lymphoma, high-grade High-grade lymphoma
- Primary biliary cirrhosis (PBC) A liver disease caused by an abnormality of the immune system. Small bile ducts within the liver become…
- Hereditary ALS See: Familial ALS
- Tenesmus Straining, especially long-continued, ineffectual and painful straining, at stool or in urination. Straining…
- White blood cell One of the cells the body makes to help fight infections. There are several types of white blood cells…
- Nervous system, peripheral (PNS) That portion of the nervous system that is outside the brain and spinal cord. The peripheral nervous system…
- Prone The first sulfa drug to be discovered. Largely of historic interest today. The discovery was made by the…
- Hypovolemic Referring to hypovolemia, an abnormal decrease in blood volume. As, for example, hypovolemic shock