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).
Blister, blood
A blister full of blood due to a pinch, bruise or repeated friction. A blister is medically termed a vesicle. One that is more than 5 mm in diameter with thin walls and is full of watery fluid is called a bulla or a bleb. The word…
Read the definitionRandom terms
Show more- Liquor cerebrospinalis See: Cerebrospinal fluid
- Duchenne-Erb palsy See: Erb palsy
- Chancroid A sexually transmitted infection (STI) caused by the bacterium Haemophilus ducreyi. Periodic outbreaks of…
- Jewett staging system A system for determining the stage of a prostate cancer. The system uses ABCD. The letters 'A' and 'B'…
- Taenia solium The pork tapeworm. Contracted from eating undercooked or measly pork (pork infected with the larval forms of…
- Karyokinesis During cell division, the process of partition of a cell's nucleus into the daughter cells. See also…
- Pain, breast Pain in the breast or mammary gland, known medically as mastalgia. From the Greek masto-, breast + algos, pain
- Participant 1. In a clinical trial, someone who takes part in it. A participant may or may not have a disease. The term…
- Witch's milk A folk term for the milk that often comes from the breast of a newborn baby. This temporary phenomenon is due…
- Speculum An instrument used to widen an opening to look within a passage or a cavity. For example, a speculum may be…
- Appendix epiploica A finger-like projection of fat attached to the colon.
- Bubble boy disease Severe combined immunodeficiency disease