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- First and second branchial arch syndrome The olfactory nerve, the nerve that permits the sense of smell. See: Olfactory nerve.
- Big bone disease See: Kashin-Beck disease
- Xanthomatosis A condition in which fatty deposits occur in various parts of the body. These fatty deposits are called…
- Code blue While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- Hypogonadism A condition in which decreased production of gonadal hormones leads to below-normal function of the gonads…
- Fibrous dysplasia, monostotic Excessive growth of hard fibrous tissue that replaces normal bone tissue in a single bone. Symptoms may…
- Birt Hogg Dube syndrome See: Birt-Hogg-Dube syndrome
- GERD Stands for Gastroesophageal Reflux Disease, a disorder in which there is recurrent return of stomach contents…
- Candidemia Bloodstream infection with Candida, a yeast-like fungus. Persons at high risk for candidemia include…
- Ornithophobia An abnormal and persistent fear of birds. Sufferers from ornithophobia experience undue anxiety about…
- Restless leg syndrome Restless leg syndrome: An uncomfortable creeping, crawling, tingling, pulling, twitching, tearing, aching…
- Bednet Netting which is hung over the bed to keep out mosquitos and other insects. Bednets are an important form of…