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).
Autonomic nervous system
Part of the nervous system that was once thought to be functionally independent of the brain. The autonomic nervous system regulates key functions of the body including the activity of the heart muscle (see below), the smooth muscles…
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Show more- HHV-6 Human herpesvirus 6
- Surgery, off-pump See: Off-pump surgery
- Plan B Brand name for a progestin-only emergency contraceptive designed to prevent pregnancy within 72 hours after a…
- Disease, Huntington An hereditary disorder with mental and physical deterioration leading to death. Although characterized as an…
- A. baumannii Acinetobacter baumannii. See: Acinetobacter
- Syndrome, complete androgen insensitivity A genetic disorder that makes XY fetuses insensitive (unresponsive) to androgens (male hormones). Instead…
- Radiologist A physician specialized in radiology, the branch of medicine that uses ionizing and nonionizing radiation for…
- Body surface area BSA. The total suface area of the human body. The BSA is used in many measurements in medicine, including the…
- Ragweed Any of a number of weedy composite herbs that produce a pollen that is a frequent cause of allergies. Of all…
- Atherogenesis The process of forming atheromas, plaques in the inner lining (the intima) of arteries
- Slow-wave sleep Sleep: Stage 3 and 4 non-rapid eye movement (non-REM) sleep. Slow-wave sleep is characterized by brain wave…
- Biological safety level 2 Level 2 biosafety