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).
Eyelid myokymia
Fine continuous contractions of the eyelid muscle, typically involving one of the lower eyelids, less often an upper eyelid. The condition occurs spontaneously, sometimes triggered by stress, fatigue, caffeine or alcohol. In most cases…
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Show more- Genetic meltdown A genomic crisis due to an extraordinarily high rate of mutation, a phenomenon known to occur in viruses and…
- Autoimmune disease An illness that occurs when the body tissues are attacked by its own immune system. The immune system is a…
- Pitting edema Observable swelling of body tissues due to fluid accumulation that may be demonstrated by applying pressure…
- Accessory placenta An extra placenta separate from the main placenta. Also called a succenturiate or supernumerary placenta. The…
- Dupuytren contracture 1777-1835) The leading French surgeon of the early part of the 19th century. Dupuytren reported the condition…
- Sternutation Sneezing; the sound of sneezing. When we sneeze, air is expelled with force from the nose (and from the…
- Eardrum The tympanic membrane of the ear, or tympanum, the membrane that separates the middle ear from the external…
- Cathexis In psychiatry, the concentration of psychic energy on an idea, object, or other object
- OSA (obstructive sleep apnea) See: Oscillopsia.
- Adeno- Prefix referring to a gland, as in adenoma and adenopathy. From the Greek aden meaning originally 'an acorn'…
- ATP 1. Adenosine triphosphate. 2. Acute thrombocytopenic purpura
- Tick-borne disease >Babesiosis (a malaria-like infection) >Colorado tick fever (generally in the western US) >Ehrlichiosis >Lyme…