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).
Headache, cluster
A distinctive syndrome of headaches, also known as migrainous neuralgia. There are two main clinical patterns of cluster headache -- the episodic and the chronic: > >Episodic: This is the most common pattern of cluster headache. It is…
Read the definitionRandom terms
Show more- Hepatitis, infectious See Hepatitis A
- Efferent nerve A nerve that carries impulses away from the central nervous system (CNS). An efferent nerve is the opposite…
- Contact eczema A localized reaction that includes redness, itching, and burning where the skin has come into contact with an…
- Microsurgery Surgery through a microscope. Microsurgery is used to operate on very small structures, often requires…
- Colonoscopy Colonoscopy: A procedure in which a long flexible viewing tube (a colonoscope) is threaded up through the…
- Dominant, autosomal See: Fredrickson, Donald.
- Inheritance Not something that is contained in a will, but rather a gene, chromosome or genome that is transmitted from…
- Esophageal reflux A condition wherein stomach contents regurgitate or back up (reflux) into the esophagus (a long cylindrical…
- Decompression 1. In general, the removal of pressure.2. In surgery, a procedure to remove pressure on a structure, as in…
- Pulmonary arterial hypertension See: Pulmonary hypertension
- Tumor marker, NSE Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely…
- Hydrogen The most plentiful element in the universe and one present in all organic compounds. Hydrogen is a gas with…