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).
Duodenum
The first part of the small intestine. The duodenum extends from the pylorus at the bottom of the stomach to the jejunum, the second part of the small intestine. The duodenum is a common site for the formation of peptic ulcers. We often…
Read the definitionRandom terms
Show more- Serratus anterior One of the serratus muscles of the back and thorax. The serrautus anterior originates from the lateral aspect…
- Bone, carpal One of the wrist bones. There are eight carpal bones that are arranged in two rows. The carpal bones…
- Multidetector CT See: Multidetector computed tomography
- Arabidopsis thaliana genome All of the genetic information contained in Arabidopsis thaliana, a plant belonging to the mustard family…
- Cryoprobe A surgical probe, a long slender pointed surgical instrument, used to apply extreme cold to tissues. From…
- Americium Symbol: Am. A man-made metallic element whose isotopes Am-237 through Am-246 are all radioactive. Americium…
- Menstruation, retrograde The flow of menstrual blood from the uterus into the fallopian tubes, and potentially into the abdomen. This…
- Nerve conduction velocity test Nerve conduction velocity test> An electrical test used to detect nerve conditions. In the nerve conduction…
- Atypical Not typical, not usual, not normal, abnormal. Atypical is often used to refer to the appearance of…
- Absinthism The disorder associated with the habitual abuse of absinthe. The symptoms included hallucinations…
- Sign of pregnancy See entry to: Pregnancy symptom
- Dysmetabolic syndrome X A constellation of metabolic abnormalities in serum or plasma insulin/glucose level ratios, lipids…