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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Mesenteric vein
One of the large veins which return blood from the intestines. The inferior (lower) mesenteric vein empties into the splenic vein. The superior (upper) mesenteric vein then joins the splenic vein to create the portal vein which goes to the…
Read the definitionRandom terms
Show more- Lymph node The first lymph node ("gland") to receive lymphatic drainage from a tumor. Which lymph node is the sentinel…
- Cranial nerve, twelfth See: Twelfth cranial nerve
- Anaesthesia See: Anesthesia
- Chimera In medicine, a person composed of two genetically distinct types of cells. Human chimeras were first…
- Chromosome 5q- syndrome A blood disorder due to the loss of part of the long (q) arm of chromosome 5 in myeloid (bone marrow) cells…
- Hunter syndrome A genetic metabolic disorder that arises from deficiency of the enzyme iduronate sulfatase, resulting in…
- Bone, giant cell tumor of A tumor of bone characterized by massive destruction of the end (epiphysis) of a long bone. The site most…
- Clay-shoveler's fracture An uncommon breakage of the spine of the vertebrae from the lower neck or upper back as a result of stress…
- Neuropathologist A pathologist who specializes in the diagnosis of diseases of the brain and nervous system by microscopic…
- Anterior The front, as opposed to the posterior. The anterior surface of the heart is toward the breast bone (the…
- Tendo Achilles See: Achilles tendon
- Test, Denver Developmental Screening The Denver Developmental Screening Test (DDST) is a widely used assessment for examining children 0-6 years…