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).
HRT (hormone replacement therapy)
The combination therapy of estrogen plus progestogen, termed hormone replacement therapy (HRT). Estrogen replacement therapy (ERT) is used to treat menopause. It reduces or stops the short-term changes of menopause such as hot flashes…
Read the definitionRandom terms
Show more- Syndrome, cavernous sinus A cavernous sinus thrombosis is a blood clot within the cavernous sinus, a large channel of venous blood in a…
- Insufficiency, mitral See: Mitral insufficiency
- Prehypertension A systolic pressure of 120 to 139 mm Hg or a diastolic pressure of between 80 and 89 mm Hg. Prehypertension…
- HHV-4 Human herpesvirus 4. See Epstein-Barr virus.
- Clinical disease A disease with clinical signs and symptoms that are recognizable. As distinct from a subclinical illness…
- Effective dose The dose of a drug that will achieve the desired effect
- Lymph node The first lymph node ("gland") to receive lymphatic drainage from a tumor. Which lymph node is the sentinel…
- Cystic periventricular leukomalacia Softening of the white matter near the ventricles of the brain resulting in abnormal cysts. Cystic…
- BRCA breast cancer gene Breast cancer gene: One of several genetic mutations linked to breast cancer and ovarian cancer. There is now…
- Bruton agammaglobulinemia tyrosine kinase A genetic type of immunodeficiency characterized by failure to produce mature B lymphocytes and gamma…
- Vasopressin A relatively small (peptide) molecule that is released by the pituitary gland at the base of the brain after…
- Infuse In medicine, to introduce a solution into the body through a vein. An infusion is the therapeutic…