MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Chromatin
The nucleoprotein material of chromosomes. Chromatin is essentially the substance of chromosomes. It is made up of DNA attached to a protein structure, together with chromosomal RNA. Chromatin exists in two states, euchromatin and…
Read the definitionRandom terms
Show more- Fibronectin, fetal See: Fetal fibronectin
- Dumdum fever Also called kala-azar, a chronic, potentially fatal parasitic disease of the viscera (the internal organs)…
- Beef tapeworm Taenia saginata, the most common of the big tapeworms that parasitizes people, contracted from infected raw…
- Preoperative Before surgery. As opposed to postoperative, after surgery
- Bronchus One of the large air tubes leading from the trachea to the lungs that convey air to and from the lungs. The…
- Stereotactic needle biopsy A biopsy in which the spot to be biopsied is located three-dimensionally, the information is entered into a…
- Category three hurricane A hurricane with winds 111-130 mph (96-113 kt or 178-209 km/hr). Storm surge generally 9-12 ft above normal…
- Fungistatic Capable of inhibiting the growth of fungi
- Ketonuria A condition in which abnormally high amounts of ketone bodies (a byproduct of the breakdown of cells) are…
- Angina, Prinzmetal Angina, Prinzmetal: Chest pain due to a coronary artery spasm, a sudden constriction of one of the vessels…
- Homozygous Possessing two identical forms of a particular gene, one inherited from each parent
- Mycelium An array of fungal filaments which was thought to resemble a display of decorative nails. From the Greek…