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).
Nervous system, autonomic
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…
Read the definitionRandom terms
Show more- Allopath Or allopathist. A term sometimes applied to a physician who practices conventional medicine (allopathy)
- Pheresis Procedure in which the blood is filtered, separated, and a portion retained, with the remainder being…
- Bifid Cleft (split) in two. See, for example, bifid uvula
- PPS (post-polio syndrome) Post-polio syndrome: A constellation of symptoms and signs that appear from 20 to 40 years after the initial…
- Vibramycin Brand name for doxycycline
- Infection, Neisseria An infection acquired in a hospital. Specifically an infection that was not present or incubating prior to…
- Unassisted childbirth Birth of a baby without the assistance of an obstetrician, midwife, or other health professional. This may be…
- Hyper- A genetic disorder characterized by recurring attacks of chills and fever that usually start before the first…
- Kinome A subset of the genome consisting of the protein kinase genes. The complete complement of over 500 protein…
- Genome, Saccharomyces cerevisiae The genome of the bacterium that causes cholera. This genome contains over 4 million bases in its DNA…
- Heteroerotic Having to do with sexual excitement toward the opposite sex. By contrast with alloerotic
- Avian flu See: Avian influenza