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).
Hematuria
Blood in the urine. Hematuria may or may not be accompanied by pain, but it is always abnormal and should be further investigated. Painful hematuria can be caused by a number of disorders, including infections and stones in the urinary…
Read the definitionRandom terms
Show more- Chain-termination codon A set of three adjacent bases in the DNA or their complementary bases in messenger RNA that specifies the end…
- Groin In anatomy, the area where the upper thigh meets the trunk. More precisely, the fold or depression marking…
- Dihydroxyacetone Also known as DHA, the active ingredient in most sunless tanning lotions. See: DHA
- Blister, blood A blister full of blood due to a pinch, bruise or repeated friction. A blister is medically termed a vesicle…
- Conor and Bruch disease African tick typhus, one of the tick-borne rickettsial diseases of the eastern hemisphere similar to Rocky…
- Fever, trench Fever, trench: A disease borne by body lice that was first recognized in the trenches of World War I, when it…
- Periostitis Inflammation of the periosteum, a dense membrane composed of fibrous connective tissue that closely wraps…
- Mucopolysaccharidosis type VIII DiFerrante syndrome, due to deficiency of the enzyme glucosamine-6-sulfate. See also Mucopolysaccharidosis.
- Paralytic ileus Paralysis of the intestine. To be termed 'paralytic ileus,' the intestinal paralysis need not be complete…
- Entomology The scientific study of insects. The application of entomology to medicine is termed medical entomology. See…
- Adenoids and Tonsils Adenoids and Tonsils: These celebrated structures (adenoids and tonsils) in the back of the throat are…
- Eye bank A place to store corneas (the clear 'front window' of the eye) for use in future keratoplasty (surgery to…