MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
System, parasympathetic nervous
A part of nervous system that slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles. The parasympathetic nervous system together with the sympathetic nervous system (that accelerates the heart rate…
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Show more- Dr. Andrew Weil Dr. Andrew Weil is a physician and proponent of alternative medicine. Dr. Weil is the Director and founder of…
- Rheumatology A subspecialty of internal medicine that involves the non-surgical evaluation and treatment of the rheumatic…
- Dental impaction Teeth pressing together. For example, molar teeth (the large teeth in the back of the jaw) can be impacted…
- Esophagram A series of x-rays of the esophagus. The x-ray pictures are taken after the patient drinks a solution that…
- Hepatic- A combining form used before a vowel to indicate a relationship to a hepatic duct or the liver. From the…
- Cryptosporidium enteritis See: Cryptosporidiosis
- Reflex sympathetic dystrophy (RSD) A condition characterized by diffuse pain, swelling and limitation of movement that follows an injury such as…
- ACC Adenoid cystic carcinoma
- Biotechnology The fusion of biology and technology. Biotechnology is the application of biological techniques to product…
- Notifiable disease See: Reportable disease
- Carbon monoxide poisoning Poisoning with carbon monoxide, a tasteless odorless gas that is a byproduct of combustion. Carbon monoxide…
- Interventional Pertaining to the act of intervening, interfering or interceding with the intent of modifying the outcome…