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).
Blood in the eye
Medically known as a subconjunctival hemorrhage. A very common cause of a painless bloody eye usually first noticed by somebody else or by the person with it when they look in the mirror. The bleeding results from a break in a small blood…
Read the definitionRandom terms
Show more- Leukocyte,eosinophilic See: Eosinophil
- Drug resistance The ability of bacteria and other microorganisms to withstand a drug to which they were once sensitive and…
- Tzanck smear See Tzanck test
- Ethylene oxide A chemical widely used in the health care industry to sterilize medical devices and also used to make other…
- Al-hijamah Arabic term for the practice of cupping. See: Cupping
- Pseudoobstruction, neuropathic Intestinal pseudoobstruction caused by damage to nerve cells in the walls of the bowel
- Collateral knee ligament, medial The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Tetrafluoroethylene A substance that is a possible carcinogen (cancer-causing agent) used in the production of polymers such as…
- Electrolyte An electrolyte is a substance that will dissociate into ions in solution and acquire the capacity to conduct…
- FLAP A gene that helps make a leukotriene, a signal that activates the white blood cells involved in inflammation…
- Pigment A substance that gives color to tissue. Pigments are responsible for the color of skin, eyes, and hair
- Enteropathy Any pathology (disease) of the intestine.