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).
Coma
Coma: A state of deep unarousable unconsciousness. Coma may occur as the result of numerous causes including head trauma, diseases such as diabetes, poisoning, etc.
Read the definitionRandom terms
Show more- Genome, Drosophila See: Drosophila genome
- Chromosome complement The whole set of chromosomes for the species. In humans, the chromosome complement (which is also called the…
- Nitrogen Element number 7, a colorless, odorless, tasteless gas that is biologically important. Nitrogen is a…
- Stenosis, pulmonary The pulmonary valve is too tight so that the flow of blood from the right ventricle of the heart into the…
- Coarctation A narrowing, a stricture, a constriction. Although the best known coarctation is of the aorta, any artery can…
- Locoregional anesthesia Anesthesia that produces loss of pain only in the region of the surgery. This may be done by a 'spinal' in…
- Ventricle, left The ventricles are the two lower chambers of the heart. The left ventricle is the chamber that receives blood…
- Oligodendrocyte A type of cell in the central nervous system. The oligodendrocytes surround and insulate the long fibers (the…
- Liminal In neurolgy, at the threshold of perception to a sensory stimulus. In other words, just barely perceptible to…
- T-cell leukemia A disease in which certain cells of the lymphoid system called T lymphocytes or T cells are malignant. T…
- Double-blinded study A study in which at least two separate groups receive the experimental medication or procedure at different…
- Tablespoon An old-fashioned but convenient household measure of capacity. A tablespoon holds about 3 teaspoons, each…