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).
Estrogen replacement therapy (ERT)
Estrogen replacement therapy (ERT) is used to treat menopause. It reduces or stops the short-term changes of menopause such as hot flashes, disturbed sleep, and vaginal dryness. ERT can prevent osteoporosis, a consequence of lowered…
Read the definitionRandom terms
Show more- Department of Health and Human Services The United States government's principal agency for 'protecting the health of all Americans and providing…
- Acquired mutation A mutation (a genetic change) acquired by a somatic cell after conception. Acquired mutations occur in…
- Transaminase nomenclature The names and abbreviations applied to the transaminases are quite confusing since (just as a starter) a…
- Jennerian method The production of immunity to a disease by inoculation of an attenuated form of the virus causing the…
- Blood sugar, high An elevated level of the sugar glucose in the blood. Also called hyperglycemia. High blood sugar is a finding…
- APL Abbreviation for acute promyelocytic leukemia, a malignancy of the bone marrow in which there is a deficiency…
- Syndrome, Horner A complex of abnormal findings, namely sinking in of one eyeball, ipsilateral ptosis (drooping of the upper…
- Base of tongue The back third of the tongue. In contrast to the anterior tongue, which is the front two-thirds of the…
- Gray matter The cortex of the brain which contains nerve cell bodies. The gray matter is in contrast to the white matter…
- Fever, Q Quintan means recurring every 5 days, the characteristic duration of trench fever. Quintan or trench fever is…
- Effusion Too much fluid, an outpouring of fluid. A hemorrhagic effusion is one that has blood within the fluid. A…
- Monozygous twins Twin: Identical twins that originate from a single fertilized egg (a zygote)