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).
Bypass, coronary
See: Coronary artery bypass graft.
Read the definitionRandom terms
Show more- ICSI Jaundice. At least one medical dictionary defines icterus as the presence of jaundice seen in the sclera of…
- Microscopy, cryo-electron See: Cryo-electron microscopy
- Fat requirements, infant Fat in human milk provides 30%-35% of the total daily caloric needs for a growing infant. Manufacturers of…
- Right atrium The right upper chamber of the heart. The right atrium receives deoxygenated blood from the body through the…
- Maternal age The number of maternal deaths related to childbearing divided by the number of live births (or by the number…
- Lower motor neuron A nerve cell that goes from the spinal cord to a muscle. The cell body of a lower motor neuron is in the…
- Alpha-linolenic acid An essential fatty acid found in flaxseed oil, canola oil and walnuts. Abbreviated ALA
- Thiamine deficiency, infantile See: Infantile beriberi
- Azoospermia No sperm at all. The ejaculate is completely devoid of sperm. By contrast, in oligospermia (literally, few…
- Dehydration Dehydration: Excessive loss of body water. Diseases of the gastrointestinal tract that cause vomiting or…
- Protozoa A single-cell organism that can only divide within a host organism. Malaria is caused by a protozoa…
- Lens, objective In a microscope, the objective lens is the lens nearest to the object being examined whereas the lens closest…