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).
PSA
See: Primary sclerosing cholangitis.
Read the definitionRandom terms
Show more- Nucleotide >A nitrogenous base (A, G, T, or C in DNA; A, G, U, or C in RNA), >A phosphate molecule, and >A sugar…
- Cancer, small cell lung A type of lung cancer in which the cells appear small and round under the microscope. Also called oat cell…
- Anisocytosis Excessive inequality in the size of the red blood cells. Anisocytosis ('aniso') is apparent on a blood smear…
- Joint, shoulder The shoulder has two main bones: the scapula (the shoulder blade) and the humerus (the long bone of the upper…
- Cryo-EM Cryo-electron microscopy
- Mediastinoscopy A procedure in which the doctor inserts a tube into the chest to view the organs in the mediastinum. The tube…
- Endopeptidase An enzyme that catalyzes the cleavage of peptide bonds within a polypeptide or protein. Peptidase refers to…
- Ulcerative proctitis Ulcerative colitis that is limited to the rectum. Ulcerative colitis itself is a relatively common disease…
- Fungiform papilla The fungiform papillae are broad flat structures that house taste buds in the central portion of the dorsum…
- Proxi- Toward the beginning, the nearer of two (or more) items. For example, the proximal end of the femur is part…
- Fever, valley A disease also called coccidioidomycosis (CM) due to a fungus called Coccidioides immitis. About 40% of…
- Sequelae See: Sequela