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).
Aggressive angiomyxoma
A slow-growing tumor of stromal cells which occurs primarily in the genital and pelvic regions. This tumor is much more common in women. It can range from relatively small tumors to football-size masses in the pelvis. The histologic…
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Show more- Plague genome All of the DNA (the genome) of the bacterium Yersinia pestis that causes the plague, consisting of four rings…
- External radiation therapy Radiation therapy using a machine located outside the body to aim high-energy rays at a tumor.
- DHF (dengue hemorrhagic fever) A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Anemia, refractory Anemia (a shortage of red blood cells) unresponsive to treatment
- Bubo An enlarged lymph node ('swollen gland') that is tender and painful, particularly in the groin and armpit…
- Leukemia, lymphocytic A form of leukemia that has a sudden onset, lymphocytic leukemia starts in the bone marrow but often spreads…
- Anemia and triphalangeal thumbs See: Aase-Smith syndrome II
- Vein, varicose See: Varicose vein
- Chromosome 3 One of the largest human chromosomes, comprising approximately 6.5% of the human genome. Chromosome 3 has…
- Ligand A molecule that binds to another. Often, a soluble molecule such as a hormone or neurotransmitter that binds…
- Glial cell A supportive cell in the central nervous system -- the brain and spinal cord. Glial cells do not conduct…
- Hiatal hernia Hiatal hernia: An anatomical abnormality in which part of the stomach protrudes up through the diaphragm into…