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).
Knuckle
The dorsal aspect of the flexed metacarpophalangeal joint. Knuckle may be shorter and simpler to say.
Read the definitionRandom terms
Show more- Coding DNA A sequence of DNA that codes for protein. Coding DNA sequences are separated by long regions of DNA called…
- Pineoblastoma A fast-growing brain tumor in the pineal gland that originates in germ cells. Also known as a pineal teratoma
- Antisense mRNA An mRNA (messenger RNA) transcript that is complementary to endogenous mRNA. Antisense mRNA is the noncoding…
- DNA amplification The production of multiple copies of a sequence of DNA. Repeated copying of a piece of DNA. DNA amplification…
- Atropine psychosis A syndrome characterized by dry mouth, blurred vision, forgetfulness, and difficulty with urination triggered…
- Melanoma thickness A method for determining the prognosis (outlook) with melanoma. The thickness of a melanoma is related to the…
- Genetics, forensic See: Forensic genetics
- Vomit Matter from the stomach that has come up into and may be ejected beyond the mouth, due to the act of…
- Prothrombin A coagulation (clotting) factor that is needed for the normal clotting of blood. A cascade of biochemical…
- Methadone treatment program A program for opiate addicts, usually conducted in an outpatient setting. These programs use a long-acting…
- Neuron-specific enolase (NSE) Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely…
- Vomiting of pregnancy, pernicious Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition…