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).
UGA
A triplet consisting of uracil,guanine, adenine, in that order, that acts as a stop codon in messenger RNA (mRNA), signaling the termination of translation of an mRNA molecule and the release of the nascent polypeptide chain
Read the definitionRandom terms
Show more- Rheumatic fever An illness that occurs following a streptococcus infection (such as a 'strep throat') or scarlet fever and…
- HTLV-III The human T-lymphotropic virus type III. An obsolete term for the human immunodeficiency virus or HIV
- Temporomandibular joint disorder (TMJ) Temporomandibular joint disorder (TMJ): A disorder of the temporomandibular joint(s) that causes pain…
- Cyclin One of a group of proteins that regulate the cell cycle. The cyclins bind to and activate cyclin-dependent…
- Deficiency, lactase Not enough of an enzyme called lactase in the small intestine to digest lactose, a prominent component of…
- Spit 1. As a noun: Popular term for sputum.2. As a verb: To eject sputum; to expectorate.See: Sputum
- Syndrome, Gerstmann-Straussler-Scheinker This condition is a primary problem of platelets in which the platelets lack the ability to stick adequately…
- Paternal 1. Pertaining to the father as, for example, a paternal age effect.2. Related through the father as, for…
- Cell suicide See: Apoptosis
- Knee jerk The reflex tested by tapping just below the knee causing the lower leg to suddenly jerk forward. What is…
- Zinc deficiency Lack of zinc in the body. According to the National Academy of Sciences, the Recommended Dietary Allowances…
- Gland, thymus See: Thymus