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).
Sac, yolk
See: Yolk sac
Read the definitionRandom terms
Show more- Test, ovarian cancer CA 125 A screening test for cervical cancer based on the examination under the microscope of cells collected from…
- Melanoma, eye See: Intraocular melanoma
- Long-chain-3-hydroxyacyl-CoA dehydrogenase def Cy: Acute fatty liver of pregnancy (AFLP) has been found to be associated in some cases with an abnormality…
- Facioauriculovertebral sequence See: Goldenhar syndrome
- Operation, Glenn See: Glenn shunt
- Sacral vertebrae There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5 and are situated…
- In situ hybridization The use of a DNA or RNA probe to detect the complementary sequence. In situ hybridization is like all nucleic…
- Calor, dolor, rubor, and tumor Heat, pain, redness, and swelling. The four classical signs of inflammation, originally recorded by the Roman…
- Metabolic diseases, inherited Also called inborn errors of metabolism, these are heritable (genetic) disorders of biochemistry. Examples…
- Darwin, Charles English naturalist (1809-82), considered the father of evolution. Darwin voyaged aboard the Beagle to see the…
- Martorell syndrome Named after Fernando Martorell Otzet, Spanish cardiologist (1906-1984). In 1944 Martorell provided an…
- Melanoma, malignant See: Melanoma