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).
Sleep apnea
Sleep apnea: The temporary stoppage of breathing during sleep, often resulting in daytime sleepiness. Apnea is a Greek word that means 'want of breath.' The most common form of sleep apnea is obstructive sleep apnea. In obstructive sleep…
Read the definitionRandom terms
Show more- In-the-ear hearing aid A hearing instrument in a custom-made shell designed to fit in the outer ear and ear canal. An in-the-ear…
- Unicornuate Having one horn or being horn-shaped. The uterus is normally unicornuate
- Disease nomenclature A system of classifying and naming diseases. The contemporary categories and codes for diseases are outlined…
- Titin A giant filamentous protein essential to the structure, development, and elasticity of muscle. The gene…
- Cryocardioplegia Paralysis of the heart by cold (hypothermia)
- Erythrodermic psoriasis A particularly inflammatory form of psoriasis that often affects most of the body surface. It is the least…
- White subungual onychomycosis, proximal The rarest form of fungus infection of the finger or toenail. (Fungus infection of the finger or toenail is…
- Sclerose en plaques French for multiple sclerosis. Literally, sclerosis in plaques
- Intercellular junction A specialized region of connection between two cells
- Leukemia, t(8;21) Leukemia with a translocation (an exchange of material) between chromosomes 8 and 21. Seen characteristically…
- Thallium Thallium: A metallic element having the symbol Tl and the atomic number 81 and an atomic weight of about 204…
- Resorption The process of losing substance. Bone, when it is remodeled (reshaped), undergoes both new formation and…