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).
Base in DNA
A unit of the DNA. There are 4 bases: adenine (A), guanine (G), thymine (T), and cytosine (C). The sequence of bases (for example, CAG) is the genetic code.
Read the definitionRandom terms
Show more- Subcu Abbreviation for subcutaneous. Subcutaneous means under the skin. It implies just under the skin. With a…
- Tooth, cracked, syndrome A toothache caused by a broken tooth (tooth fracture) without associated cavity or advanced gum disease…
- Organisation Mondiale de la Sante The French name for the World Health Organization (WHO). See: World Health Organization
- Deficiency, niacin See: Pellagra
- Polypsis of the colon Multiple polyps with a high malignant potential in the large bowel. This hereditary condition is also known…
- Plastic surgery The field of surgery concerned with reducing scarring or disfigurement that may occur as a result of…
- Vaginal fornix The anterior (front) and posterior (back) recesses into which the upper vagina is divided. These vaultlike…
- Post Short for postmortem examination (an autopsy)
- Test, exercise A test (sometimes called the treadmill test or exercise treadmill test) in which a continuous…
- Carcinogenic Causing cancer or contributing to the causation of cancer. Pertaining to a carcinogen
- Amnion A thin membrane surrounding the fetus during pregnancy. The amnion is the inner of the two fetal membranes…
- Cranial nerve II The second cranial is the optic nerve, the nerve that connects the eye to the brain and carries the impulses…