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).
Histamine cephalalgia
A distinctive syndrome of headaches, also known as cluster headache or migrainous neuralgia. The common pattern of cluster headache is termed 'episodic' and is characterized by 1-3 short attacks of pain each day around the eyes, clustered…
Read the definitionRandom terms
Show more- Saline Relating to salt. As an adjective, 'saline' means 'salty, containing salt.' As a noun 'saline' is a salt…
- Vertebra, second cervical The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…
- Pain, breast Pain in the breast or mammary gland, known medically as mastalgia. From the Greek masto-, breast + algos, pain
- Reflux disease, gastroesophageal (GERD) Reflux disease, gastroesophageal (GERD): The stomach contents regurgitate and back up (reflux) into the…
- Water pore See: Aquaporin
- Clinical depression Depression that meets the DSM-IV criteria for a depressive disorder. The term is usually used to denote…
- Memory, working Short-term (recent) memory. Working memory is a system for temporarily storing and managing the information…
- Toenail A toenail is produced by living skin cells in the toe. A toenail consists of several parts including the nail…
- Influenza, avian Influenza, avian: Also called fowl plague, avian flu, and bird flu. A highly contagious viral disease with up…
- RFLP An antigen found in the red blood cells of most people: those who have Rh factor are said to be Rh positive…
- Mitral valve A valve in the heart situated between the left atrium and the left ventricle that permits blood to flow from…
- CFTR Cystic fibrosis conductance regulator. Mutations in the gene for CFTR are responsible for cystic fibrosis…