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-disordered breathing
A condition characterized by repeated episodes of hypopnea (underbreathing) and apnea (not breathing) during sleep. A significant proportion of adults are thought to experience sleep-disordered breathing. Sleep-disordered breathing can…
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Show more- Non-rapid eye movement sleep Sleep: NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- Meniscus The word 'meniscus' comes from the Greek and refers to a crescent-shaped structure. Today a meniscus is…
- Kyphoplasty A procedure similar to vertebroplasty, but with the intent of expanding the collapsedvertebra. A surgical…
- PH A measure of the acidity or alkalinity of a fluid. The pH of any fluid is the measure of its hydrogen ion…
- ATCC (American Type Culture Collection) >Algae & Protozoa >Bacteria & Bacteriophages >Cultured Cell Lines & Hybridomas >Fungi &…
- Meningococcal vaccine Meningococcal vaccine: A vaccine to prevent meningococcal infection, including meningococcal meningitis, an…
- Hereditary angioedema A genetic form of angioedema. (Angioedema is also referred to as Quinke's disease.) Persons with it are born…
- Headache, hypnic See: Hypnic headache
- Hyaline membrane disease A respiratory disease of the newborn, especially the premature infant, in which a membrane composed of…
- Neck dissection A surgical procedure in which the neck is opened -- to 'dissect' means to 'cut apart' -- in order to…
- Hormone A chemical substance produced in the body that controls and regulates the activity of certain cells or…
- Obesity, endogenous Overweight caused by malfunction of the hormonal or metabolic system