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).
Cobalamin
Also called vitamin B12. A vitamin important for the normal formation of red blood cells and for the health of the nerve tissues. Undetected and untreated vitamin B12 deficiency can lead to anemia and permanent nerve and brain damage…
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Show more- Thoracic duct A vascular structure which recirculates lymph into the blood stream. It begins in the abdomen and tracks…
- GVHD Graft-versus-host disease
- Activated charcoal Charcoal that has been heated to increase its absorptive capacity. Activated charcoal is sold as an…
- Dizziness Dizziness: Painless head discomfort with many possible causes including disturbances of vision, the brain…
- Randomized controlled trial (RCT) A study in which people are allocated at random (by chance alone) to receive one of several clinical…
- Hypomnesia Abnormally poor memory of the past. As compared to hypermnesia and amnesia. From hypo- + the Greek mneme…
- Study, gastric emptying A gastric emptying study evaluates the emptying of food from the stomach. For a gastric emptying study, a…
- Abduction In medicine, the movement of a limb away from the midline of the body. Abduction of both legs spreads the…
- Acinus, pulmonary The ending of a tiny airway in the lung, where the alveoli (air sacs) are located. In anatomy, an acinus is a…
- Mycobacterium chelonae A type of bacteria related to that which causes tuberculosis and which is commonly found in soil and…
- ALS4 See: Amyotrophic lateral sclerosis 4
- Dextrose Better known today as glucose, this sugar is the chief source of energy in the body. Glucose is chemically…