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).
Right heart
The heart is composed functionally of two hearts - the right heart and the left heart. The right heart consists of the right atrium which receives deoxygenated blood from the body and the right ventricle which pumps it to the lungs. The…
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Show more- Acellular Not made up of cells or divided into cells. Or lacking intact cells as, for example, an acellular vaccine…
- Adenomyoma A nodule that forms around tissue of the inner uterus (endometrial tissue) as a result of adenomyosis. See…
- Retinal pigment epithelium The pigment cell layer that nourishes the retinal cells. The retinal pigment epithelium is located just…
- Syphilis test (FTA-ABS) The fluorescent treponemal antibody absorbed (FTA-ABS) test for syphilis is a blood serum screening test…
- Histiocytosis, malignant Histiocytosis in which the histiocytes actually become cancerous. Treatment is by radiation and chemotherapy…
- Gnashing Grinding the teeth. More formally called 'bruxism.' Gnashing, or bruxism, is due to clenching of the teeth…
- Disease, Hodgkin (Hodgkin lymphoma) A disease of the lymph nodes named after the English physician Thomas Hodgkin (1798-1866) who discovered it…
- UNESCO Acronym for the United Nations Educational, Scientific, and Cultural Organization
- Dermatofibrosarcoma protuberans The heart is reversed and is in the right side of the chest rather than in its normal location on the left…
- Von Recklinghausen disease Neurofibromatosis type 1
- Breastfeeding practices The practices to be followed in breastfeeding a baby. Human milk is the preferred feeding for all infants…
- PA (physician assistant) >Medical histories and physical examinations: a PA is usually can perform histories and physical examinations…