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).
Histone
A protein around which DNA coils to form chromatin. Without this protein material, DNA could not organize into chromosomes, and life as we know it would not exist
Read the definitionRandom terms
Show more- Hereditary essential tremor See: Essential tremor
- Aqueduct of the midbrain A canal that communicates between the third and fourth ventricles in a system of four communicating cavities…
- Red Shield Trade name of the insecticide dieldrin. See: Aldrin and dieldrin
- Paralysis, sleep Sleep: A frightening form of paralysis that occurs when a person suddenly finds himself or herself unable to…
- Very low calorie diet (VLCD) The Very low calorie diet (VLCD) is a doctor-supervised weight loss plan that uses commercially prepared…
- Gorlin syndrome II Name sometimes used for the LEOPARD syndrome which Dr. Robert J. Gorlin and colleagues recognized and…
- Peri-appendiceal See: Periappendiceal
- Wezand See: Weasand
- Protein kinase A regulatory subunit 1-alpha See: PRKAR1A
- Leukemia, juvenile myelomonocytic leukemia See: Juvenile myelomonocytic leukemia
- Juvenile intestinal polyposis See: Juvenile polyposis
- Acuity test, visual This test measures how well you see at various distances. It is the familiar eye chart test. The eye chart…