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).
Smokeless tobacco
Tobacco that is not smoked but used in another form such as chewing tobacco or snuff. Cancers of the oral cavity (mouth, lip, tongue) have been associated with the use of chewing tobacco as well as snuff. The tumors often arise at the site…
Read the definitionRandom terms
Show more- Flat affect A severe reduction in emotional expressiveness. People with depression and schizophrenia often show flat…
- Human parainfluenza virus One in a group of four RNA viruses that rank second only to respiratory syncytial virus (RSV) as a common…
- Proctosigmoidoscopy See: Sigmoidoscopy
- Wymmin An alternate spelling of wimmin
- Inherited metabolic diseases Also called inborn errors of metabolism, these are heritable (genetic) disorders of biochemistry. Examples…
- Mifepristone The French abortion pill, also known as RU-486. RU-486 has been used in combination with another drug called…
- Paraesthesia See: Paresthesia
- Phytochemical The active health-protecting compounds that are found as components of plants. Currently, the terms…
- RSV Although several standard medical dictionaries indicate only that RSV stands for Rous sarcoma virus, RSV in…
- Homeotherm A homeotherm is a warm-blooded animal (such as homo sapiens). Another term for us warm-blooded creatures is…
- Sixth cranial nerve The sixth cranial nerve is the abducent nerve, a small motor nerve that has one task: to supply a muscle…
- Base, pressor A pressor base is a substance chemically classified as a base (or amine) that is capable of raising the blood…