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).
Jerk, sleep
See: Hypnic jerk
Read the definitionRandom terms
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- Biological safety level 1 Level 1 biosafety
- Hyperactivity A higher than normal level of activity. An organ can be described as hyperactive if it is more active than…
- Adenoma colon family history See: Colon cancer family history
- Hormone, secretin Hormone made by glands in the small intestine that stimulates pancreatic secretion. The word 'hormone' was…
- Vernix caseosa A white cheesy substance that covers and protects the skin of the fetus and is still all over the skin of a…
- Family therapy A type of psychotherapy designed to identify family patterns that contribute to a behavior disorder or mental…
- Calcific bursitis Calcific bursitis: A bursa is a thin fluid-filled sac that reduces friction forces between tissues of the…
- Alice in Wonderland syndrome A syndrome of distorted space, time and body image. The patient with the Alice in Wonderland syndrome has a…
- Spleen An organ located in the upper left part of the abdomen near the stomach. The spleen produces lymphocytes; it…
- Dyskeratosis congenita An inherited cause of bone-marrow failure, dyskeratosis congenita is a syndrome characterized by abnormal…
- Lichtenberg figures A fern-leaf pattern of reddish, painless marks on the skin that are a result of a skin reaction to a…