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).
Reflux disease, gastroesophageal (GERD)
Reflux disease, gastroesophageal (GERD): The stomach contents regurgitate and back up (reflux) into the esophagus The food in the stomach is partially digested by stomach acid and enzymes. Normally, the partially digested acid content in…
Read the definitionRandom terms
Show more- Bio- Prefix indicating living plants or creatures, as in biology, the study of living organisms
- Cogan corneal dystrophy A disorder in which the cornea (the normally clear front window of the eye) shows grayish fingerprint lines…
- Video-assisted surgery A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Anti-reflux surgery (fundoplication) A surgical technique that strengthens the barrier to acid reflux when the lower esophageal sphincter does not…
- Hyposmia A reduced ability to smell and to detect odors. Some people have anosmia and can detect no odors
- Prenatal Occurring or existing before birth. Prenatal care is the regular health care women should receive during…
- Anticoagulant agent A medication used as a 'blood-thinner' to prevent the formation of blood clots and to maintain open blood…
- Teratogen, coumadin as The anticoagulant ('blood- thinner') coumadin is a known teratogen, an agent that can disturb the development…
- Patient-controlled analgesia See: PCA
- REM sleep Sleep: REM sleep is the portion of sleep when there are rapid eye movements (REMs). Dreams occur during REM…
- Dandruff A mild skin condition that produces white flakes that may be shed and fall from the hair. Dandruff is due to…
- Red cell distribution width A measurement of the variability of red blood cell size. Higher numbers indicate greater variation in size…