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).
Titer
The degree of dilution of a substance such as an antibody, reflecting the strength of the solution. The English spell it 'titre,' French for 'title,' derived from the Latin 'titulus,' an inscription or label. The 'titre' was evidence of…
Read the definitionRandom terms
Show more- Gram (measure) A unit of measurement of weight and mass in the metric system. In weight, a gram is equal to a thousandth of…
- Demulcent Soothing. The word 'demulcent' comes from the Latin verb, 'demulcere' meaning 'to caress.' Something that is…
- Vaccine, flu The flu (influenza) vaccine is recommended for persons at high risk for serious complications from influenza…
- Forgotten disease Name sometimes given to Lemierre syndrome
- Gullet The esophagus. The words esophagus and gullet differ in origin. Esophagus comes from the Greek whereas gullet…
- Biopsy, breast See: Breast biopsy
- Anteroposterior (AP) In anatomy, AP stands for anteroposterior: from front-to-back. For example, an AP X-ray of the chest is taken…
- Keratosis, senile Synonymous with actinic keratosis. See: Keratosis, actinic
- Range of motion The range through which a joint can be moved, usually its range of flexion and extension. Due to an injury…
- Insomnia Insomnia that occurs most nights and lasts a month or more. The treatment of chronic insomnia consists of…
- Sleep talking NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- Fever, Pontiac See: Pontiac fever