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).
Birth rate
The birth rate is usually given as the number of live births divided by the average population (or the population at midyear). This is termed the crude birth rate. In 1995, for example, the crude birth rate per 1,000 population was 14 in…
Read the definitionRandom terms
Show more- Glucose Glucose: The simple sugar (monosaccharide) that serves as the chief source of energy in the body. Glucose is…
- Thyroid stimulating immunoglobulin (TSI) A form of immunoglobulin G (IgG) that can bind to thyrotropin (TSH) receptors on the thyroid gland. TSIs…
- PNL (percutaneous nephrolithotripsy) A technique for removing large and/or dense stones and staghorn stones. PNL is done via a port created by…
- Potassium balance The balance between too much potassium and, far more often today, too little potassium. Adults should consume…
- Miller-Dieker syndrome A congenital malformation syndrome characterized by lissencephaly ('smooth brain') and a characteristic…
- Midwife assistant A person who assists a midwife with prenatal care, childbirth education, delivery, and post-natal care. Also…
- Pregnancy, ectopic A pregnancy that is not in the usual place and is located outside the inner lining of the uterus. A…
- Cell sorter, fluorescence-activated A flow cytometer (a scientific instrument used to measure the characteristics of individual cells) that is…
- COLD (chronic obstructive lung disease) Any disorder that persistently obstructs bronchial airflow. COLD mainly involves two related diseases --…
- Poly- 1) Prefix meaning much or many For example, polycystic means characterized by many cysts. 2) Short form for…
- Tumor An abnormal mass of tissue. Tumors are a classic sign of inflammation, and can be benign or malignant…
- Marfan syndrome Marfan syndrome: An inherited disorder of connective tissue characterized by abnormalities of the eyes…