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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Moonflower
An hallucinogenic but poisonous plant known scientifically as Datura that has white flowers that bloom at night. Moonflowers contain scopolamine and hyoscyamine, both of which can cause anticholinergic poisoning. Symptoms occur typically…
Read the definitionRandom terms
Show more- Calorie A unit of food energy. In nutrition terms, the word calorie is used instead of the more precise scientific…
- Transplant The grafting of a tissue from one place to another, just as in botany a bud from one plant might be grafted…
- Third ventricle >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each…
- Polymorphic Pertaining to a polymorphism, a variation in the DNA that is too common to be due merely to new mutation. A…
- Climacteric 1. The menopause in women.2. The corresponding time in the life of men.From the Greek klimakter, meaning…
- Plasma donation The donation of sale of blood plasma for use in medical or other products. Unlike blood donors, most plasma…
- Thyroid A blood protein that binds with the thyroid hormone thyroxine (T4).
- Anaptic Suffering from an impaired sense of touch, (a state called anaphia) or tactile anesthesia. An anaptic person…
- Skullcap See: Scutellaria barbata
- ASD Acronym for atrial septal defect.
- Automatic behavior A behavior that is performed without conscious knowledge and that does not appear to be under conscious…
- Hexalen Brand name of altretamine. For more information, see: altretamine