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).
Chyle
A fluid consisting of a mixture of lymphatic fluid (lymph) and chylomicrons that has a milky appearance. Chylomicrons are small fat globules composed of protein and lipid (fat) which are combined in the lining of the intestine…
Read the definitionRandom terms
Show more- Babinski sign An important neurologic examination based upon what the big toe does when the sole of the foot is stimulated…
- Gage, Phineas The most famous patient to have survived severe damage to the brain and the first from whom something was…
- Start, sleep See: Hypnic jerk
- Bypass An operation in which a surgeon creates a new tubular pathway for the movement of fluids and/or other…
- Eye melanoma See: Intraocular melanoma
- Goiter, diffuse toxic Graves disease, the most common cause of hyperthyroidism (overactivity of the thyroid gland), with…
- Fire gilding A perilous process for gold-plating in which an amalgam of mercury and gold is applied to an object and then…
- Septic bursitis A bursa is a closed fluid-filled sac that functions as a gliding surface to reduce friction between tissues…
- Gastroscope A flexible, lighted instrument that is put through the mouth and down the esophagus to view the stomach…
- Smoldering leukemia A condition in which the bone marrow does not function normally. It does not produce enough blood cells. This…
- Pneumothorax Pneumothorax: Free air in the chest outside the lung. Pneumothorax can occur spontaneously ('out of the…
- Fever, Philippine hemorrhagic A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…