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).
Uvea
Part of the eye, consisting collectively of the iris, the choroid of the eye, and the ciliary body > >The iris: The circular, colored curtain of the eye that surrounds the pupil. >The choroid of the eye: The thin vascular middle layer of…
Read the definitionRandom terms
Show more- LLQ Abbreviation for the left lower quadrant (quarter). The LLQ of the abdomen contains the descending portion of…
- Essential oil An oil derived from a natural substance, usually either for its healing properties or as a perfume. Some…
- Hypocarbia Less than the normal level of carbon dioxide in the blood. The opposite of hypercarbia
- Chronic lymphocytic leukemia See: Juvenile myelomonocytic leukemia.
- Cubital tunnel The opening between the two heads of a muscle through which the ulnar nerve passes at the elbow and enters…
- Sea poisoning An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Aorta, ascending The ascending aorta is the first section of the aorta, the largest artery in the body. The ascending aorta…
- CFTR Cystic fibrosis conductance regulator. Mutations in the gene for CFTR are responsible for cystic fibrosis…
- Sigmoid In human anatomy, the lower colon (the lower portion of the large bowel). 'Sigmoid' is short for 'sigmoid…
- Tracheostomy Tracheostomy: A surgical operation to create an opening (stoma) into the windpipe (the trachea). The opening…
- MCHC Abbreviation for mean cell hemoglobin concentration, which is the average concentration of hemoglobin in a…
- Radiation therapy, targeted A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…