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).
Breast abscess
A local accumulation of pus within the breast due to infection. Symptoms may include painful local swelling of the breast, a breast lump, and redness and tenderness of the breast. If the abscess forms in spite of antibiotics, it may need…
Read the definitionRandom terms
Show more- Cranial nerve V The fifth cranial nerve is the trigeminal nerve. The trigeminal nerve is quite complex. It functions both as…
- Warshaw See: Warshaw, Joseph
- Fear of dust An abnormal and persistent fear of dust. Sufferers of this fear experience anxiety even though they realize…
- Peripheral blood stem cell transplantation Peripheral blood stem cell transplantation: A new technique in which stem cells are obtained from a patient's…
- Osteogenesis imperfecta tarda See: Osteogenesis imperfecta type I.
- Single nucleotide polymorphism A change in which a single base in the DNA differs from the usual base at that position. Abbreviated SNP and…
- Ultrasound Ultrasound: High-frequency sound waves. Ultrasound waves can be bounced off of tissues using special devices…
- Autonomic nervous system Part of the nervous system that was once thought to be functionally independent of the brain. The autonomic…
- Tachypnea (Pronounced tack-ip-nea.) Abnormally fast breathing. A respiratory rate that is too rapid. The normal rate of…
- Acid indigestion Excessive secretion of hydrochloric acid by the stomach cells. Medically known as hyperchlorhydria. Sometimes…
- Syndrome, fish-odor An inborn error of metabolism associated with an offensive body odor, the smell of rotting fish, due to the…
- Elizabeth Blackwell See: Blackwell, Elizabeth