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).
Obstructive sleep apnea
Sleep apnea (OSA): Sleep apnea is a breathing disorder characterized by brief interruptions of breathing during sleep. It owes its name to a Greek word, apnea, meaning 'want of breath.' There are two types of sleep apnea: central and…
Read the definitionRandom terms
Show more- Benign sleep myoclonus Sleep myoclonus: A distinctive disorder of sleep in infancy characterized by rhythmic myoclonic jerks (sudden…
- Hemiplegic Pertaining to hemiplegia (paralysis of one side of the body.
- RDIs (Reference Daily Intakes) Formerly known as hyaline membrane disease, a syndrome of respiratory difficulty in newborn infants caused by…
- Climacteric 1. The menopause in women.2. The corresponding time in the life of men.From the Greek klimakter, meaning…
- Molar In dentistry, a molar is one of the posterior teeth well adapted to grinding, in keeping with its origin from…
- Environmental medicine The interactions between risk factors in the environment and human health. Environmental medicine focuses on…
- Aphrasia The inability to speak or understand phrases
- Chyme A pre-digested, acidified mass of food that passes from the stomach into the small intestine
- Joint, calcaneocuboid The calcaneocuboid joint is located in the foot between the calcaneus bone (the heel bone) and the cuboid…
- Eukaryotic Pertaining to eukaryotes
- Rectus abdominis A large muscle in the front of the abdomen that assists in the regular breathing movement and supports the…
- Causes of cancer Cancer is a group of more than 100 different diseases. Benign tumors are not cancer; malignant tumors are…