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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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- SNP A change in which a single base in the DNA differs from the usual base at that position. These single base…
- Impaction, dental Teeth pressing together. For example, molar teeth (the large teeth in the back of the jaw) can be impacted…
- Whiplash injury Hyperextension (over-extension) injury to the neck, often the result of being struck from behind, as by a…
- Immunization, MMR The standard vaccine given to prevent measles, mumps and rubella (German measles). The MMR vaccine is now…
- Fluorescent in situ hybridization An important molecular cytogenetic method for identifying chromosomes and parts of chromosomes, deciphering…
- Huntingtin The name of the gene responsible for Huntington disease (HD) and of the protein encoded by that gene. The…
- Wymin An alternate spelling of wimmin
- Bicarbonate In medicine, bicarbonate usually refers to bicarbonate of soda (sodium bicarbonate, baking soda) white powder…
- Void To urinate. Just as we can void a check and empty it of value, so can we void our bladder and empty it of…
- Vernix caseosa A white cheesy substance that covers and protects the skin of the fetus and is still all over the skin of a…
- Hard palate The bony part of the roof of the mouth. The hard palate is the front of the palate and is in front of the…
- Health, child Child health is the purview of pediatrics. 'Pediatrics is concerned with the health of infants, children and…