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).
Test, fecal occult blood
Fecal occult blood: A test to check for hidden blood in the feces, the stool
Read the definitionRandom terms
Show more- Anat. The abbreviation for anatomy, the study of form. Gross anatomy involves structures that can be seen with the…
- STDs in women See Sexually transmitted diseases in women
- XXX syndrome A chromosome condition present in 1 in 1000 females, due to the presence of three X chromosomes rather than…
- Joint, calcaneocuboid The calcaneocuboid joint is located in the foot between the calcaneus bone (the heel bone) and the cuboid…
- Aerophagia Swallowing too much air, a common cause of gas in the stomach and belching. Everyone swallows small amounts…
- Food poisoning Food poisoning: A common flu-like illness typically characterized by nausea, vomiting and diarrhea, due to…
- Gene duplication An extra copy of a gene. Gene duplication is a key mechanism in evolution. Once a gene is duplicated, the…
- NGFB The beta polypeptide chain of nerve growth factor
- OB Abbreviation for obstetrician or for obstetrics, the art and science of managing pregnancy, labor and the…
- RTS See Rett syndrome.
- RDA Abbreviation for the Recommended Dietary Allowance. Or, popularly, the Recommended Daily Allowance
- Nadir The lowest point as, for example, the lowest blood count after chemotherapy, the lowest concentration of a…