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).
NICHD
A silver-white metallic element. Long-term exposure to nickel, such as from jewelry, can cause a form of contact dermatitis called nickel dermatitis. Exposure to nickel fumes can cause nasal cancer and lung cancer.
Read the definitionRandom terms
Show more- Y-linkage The presence of a gene on the Y chromosome. Y-linkage is analogous to X-linkage (the presence of a gene on…
- Neuroma, acoustic A benign tumor that may develop on the hearing and balance nerves near the inner ear. The tumor results from…
- Abdomen The belly, that part of the body that contains all of the structures between the chest and the pelvis. The…
- Knee, secretary's The patellofemoral syndrome (PFS), the commonest cause of chronic knee pain. PFS characteristically causes…
- IRB Institutional Review Board
- Small intestine insufficiency See: Short bowel syndrome
- Vomitus Matter from the stomach that has come up into and may be ejected beyond the mouth, due to the act of…
- Oligonucleotide probe A short sequence of nucleotides synthesized to match a region where a mutation is known to occur and then…
- Frambesia Also known as yaws, frambesia is a common chronic infectious disease that occurs mainly in the warm humid…
- Guthrie test A simple screening blood test for phenylketonuria (PKU). The Guthrie test was the original impetus to newborn…
- Gene expression The translation of information encoded in a gene into protein or RNA. Expressed genes include genes that are…
- Cramps, heat Painful muscle spasms in the abdomen, arms, or legs following strenuous activity. The skin is usually moist…