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).
Babinski response
An important neurologic examination based upon what the big toe does when the sole of the foot is stroked. If the big toe goes up, that may mean trouble. The Babinski response is obtained by stimulating the external portion (the outside)…
Read the definitionRandom terms
Show more- Staphylococcus, antibiotic-resistant Form of the Staphylococcus bacteria that is unaffected by commonly used antibiotics. Antibiotic-resistant…
- Brachytherapy, coronary artery A slow heart rate, usually defined as less than 60 beats per minute. The word bradycardia is logically…
- Alogia 1. Complete lack of speech, as in profound mental retardation or advanced dementia. Alogia is synonymous in…
- Tumor grade The degree of abnormality of cancer cells, a measure of differentiation, the extent to which cancer cells are…
- Gametic selection Preferential selection of gametes (germ cells -- sperm or eggs). Gametic selection is a mechanism of…
- Exemestane An oral antiestrogen. Exemestane inhibits the enzyme aromatase in the adrenal glands that produces the…
- African tapeworm The beef tapeworm (Taenia saginata), the most common of the big tapeworms that parasitizes people, contracted…
- Preoperative Before surgery. As opposed to postoperative, after surgery
- Dystocia Difficult or abnormal labor or delivery. From the Greek 'dys' meaning 'difficult, painful, disordered…
- True rib One of the first 7 pairs of ribs. A rib is said to be 'true' if it attaches to the sternum (the breast bone)…
- Beta protein 1 Abbreviated and better known as BP1. See: BP1
- Inheritance, Y-linked Inheritance of genes on the Y chromosome. Since only males normally have a Y chromosome, Y-linked genes can…