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).
Hypnolepsy
A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as narcolepsy. The disorder is often associated with cataplexy (a sudden loss of muscle tone and paralysis of voluntary muscles associated…
Read the definitionRandom terms
Show more- Reabsorption Absorbing again. For example, the kidney selectively reabsorbs substances such as glucose, proteins, and…
- Congenital deafness and retinitis pigmentosa (Also called Usher syndrome.) A genetic disorder characterized by hearing impairment and an eye disorder…
- Hypomanic Affected by hypomania, a condition similar to mania but less severe. Hypomanic episodes may resemble manic…
- Syndrome, Ricker See: Myotonic dystrophy type 2
- ENT physician A medical specialist who is concerned with the diagnosis and treatment of disorders of the head and neck…
- Conduction system, cardiac The electrical conduction system that controls the heart rate. This system generates electrical impulses and…
- ELA2 The gene encoding the enzyme elastase 2 (neutrophilic elastase). Mutations in ELA2 cause cyclic…
- Fornix cerebri An arching fibrous band in the brain connecting the two lobes of the cerebrum. (The cerebrum is the largest…
- Milk allergy, cow Casein and whey are the two major proteins of human milk and most milk-based formulas. Some (less than 8% of)…
- Centigrade Thermometer scale in which the freezing point of water is 0°C and the boiling point of water at sea level is…
- Presbyacusis See: Presbycusis
- Joints of the body, principal >Acromioclavicular >Ankle (tibia-fibula and talus) >Atlas and axis >Atlas and occipital >Calcaneocuboid…