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).
Tumor, primary
See: Primary tumor
Read the definitionRandom terms
Show more- Radioiodine An isotope of the chemical element iodine that is radioactive. Radioiodine is used in diagnostic tests as…
- Marrow The bone marrow
- Homozygosity The state of possessing two identical forms of a particular gene, one inherited from each parent. For…
- B.i.d. (on prescription) Seen on a prescription, b.i.d. means twice (two times) a day. It is an abbreviation for 'bis in die' which in…
- Stenosis, aortic Narrowing (stenosis) of the heart valve between the left ventricle of the heart and the aorta. This narrowing…
- Bone, endochondral Any bone that develops in and replaces cartilage. The cartilage is partially or entirely destroyed by the…
- Mead, Margaret (1901-1978) American anthropologist, author, and social critic. From the publication of her first book…
- Headache, migraine See migraine headache.
- Gene family A group of genes related in structure and often in function. The genes belonging to a gene family are…
- Farsightedness Farsightedness: Medically termed hyperopia; the ability to see distant objects more clearly than close…
- Male pelvis The lower part of the abdomen located between the hip bones in the male. There are significant differences in…
- Recommended Daily Allowance Popular name for the Recommended Dietary Allowance (RDA)