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).
Irritable bowel syndrome (IBS)
Irritable bowel syndrome (IBS): A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility) characterized by abdominal pain, bloating, mucous in stools, and irregular bowel habits with alternating…
Read the definitionRandom terms
Show more- Lithotomy position Position in which the patient is on their back with the hips and knees flexed and the thighs apart. The…
- Cytogenetic map A genetic term referring to the visual appearance of a chromosome when stained and examined under a…
- Epiphenomenon 1. An additional symptom or condition that appears during the course of a disease. A doctor might ask if you…
- Tumor, islet cell See: Islet cell cancer
- Sinus headache A headache caused by pressure within the sinus cavities of the head, usually in connection with infection of…
- Filovirus A family of viruses that cause hemorrhagic fever. Filoviruses have single- stranded RNA as their genetic…
- Trans fatty acid An unhealthy substance, also known as trans fat, made through the chemical process of hydrogenation of oils…
- Patellar reflex See: Knee jerk
- Shoulder, frozen See: Frozen shoulder
- Papillomatosis A disorder with numerous papillomas wart growths). For example, laryngeal papillomatosis is the presence of…
- Study, gastric emptying A gastric emptying study evaluates the emptying of food from the stomach. For a gastric emptying study, a…
- Muscle, papillary Small muscles within the heart that anchor the heart valves. The anchor ropes are the chordae tendineae…