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).
Distention
The state of being distended, enlarged, swollen from internal pressure. For example, on inhalation there is distention of the lungs due to the increased air pressure within the lungs. The word 'distention' comes from a Latin root…
Read the definitionRandom terms
Show more- Mononucleotide A single base pair. A trinucleotide (a triplet of base pairs) may be split into a dinucleotide and a…
- Helminthology, medical See: Medical helminthology
- Rate, maternal mortality The number of maternal deaths related to childbearing divided by the number of live births (or by the number…
- Dacryoadenitis Inflammation of a lacrimal gland (a gland that produces tears)
- UGA A triplet consisting of uracil,guanine, adenine, in that order, that acts as a stop codon in messenger RNA…
- Antisense mRNA An mRNA (messenger RNA) transcript that is complementary to endogenous mRNA. Antisense mRNA is the noncoding…
- Essential tremor Uncontrollable shaking (tremor) of the hands and head and sometimes other parts of the body. Essential tremor…
- Radiation therapy, conformal A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- Prostatodynia A type of inflammation of the prostate not due to bacterial infection and in which there are no objective…
- Saami health See: Artic health
- TPN Total parenteral nutrition, intravenous feeding that provides a patient with all of the fluid and the…
- Marker A piece of DNA that lies on a chromosome so close to a gene that the marker and the gene are inherited…