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).
Ringworm of the nails
Ringworm of the nails: The most common fungus infection of the nails, also called onychomycosis. Onychomycosis makes the nails look white and opaque, thickened, and brittle. Those at increased risk for developing onychomycosis include: >…
Read the definitionRandom terms
Show more- Pons A specific section of the brain formed by the rounded prominence on the front surface of the brainstem. (The…
- Kyphoscoliosis Combination of kyphosis and scoliosis (lateral curving of the spine). Part of good health maintenance is to…
- Angioid streaks Tiny breaks in the elastin-filled tissue in the back of the eye (retinae). These abnormalities are visible to…
- Male pelvis The lower part of the abdomen located between the hip bones in the male. There are significant differences in…
- Enzyme, restriction An enzyme from bacteria that can recognize specific base sequences in DNA and cut the DNA at that site (the…
- HIV infection, primary The first few months after infection with HIV (the human immunodeficiency virus). During primary HIV…
- Erythropoietin (EPO) A hormone produced by the kidney that promotes the formation of red blood cells in the bone marrow. EPO is a…
- Chloroform A clear volatile liquid with a strong smell like ether, chloroform was once administered by inhalation to…
- Vein, splenic A vein that is formed by the union of several small veins draining blood from the stomach, pancreas and…
- XYY syndrome A chromosomal disorder that affects males only, caused by the presence of an extra Y chromosome. Symptoms may…
- Ischemia Inadequate blood supply (circulation) to a local area due to blockage of the blood vessels to the area.
- Inferior vena cava A large vein that receives blood from the lower extremities, pelvis and abdomen and delivers it to the right…