MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Germ
1. A cell or group of cells (called a primordium) capable of developing into an organ, a part or an organism in its entirety. Eggs and sperm are germ cells.2. A pathogenic a microorganism. A microbe capable of causing disease. The germ…
Read the definitionRandom terms
Show more- Cranium The upper portion of the skull, which protects the brain. The bones of the cranium include the frontal…
- C-section Short for Caesarian section, a procedure in which a baby, rather than being born vaginally, is surgically…
- Endovascular aneurysm repair Abbreviated (and most often called) EVAR. See: EVAR
- System, central nervous (CNS) That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS)…
- SEER program The Surveillance, Epidemiology, and End Results (SEER) program of the National Cancer Institute (NCI), an…
- Elizabeth Kubler-Ross See: Kubler-Ross, Elisabeth
- Small calorie (Calorie) A type of lung cancer in which the cells appear small and round under the microscope. Also called oat cell…
- Colectomy >Right hemicolectomy -- in which the right part of the colon is removed, >Left hemicolectomy -- where the…
- Sickness, motion Motion sickness is a very common disturbance of the inner ear that is caused by repeated motion such as from…
- Gilbert syndrome Gilbert syndrome: A common but harmless genetic condition in which a liver enzyme essential to the disposal…
- Moscati See: Moscati, St. Joseph
- Syndrome, sicca An autoimmune diseases, also known as Sjogren syndrome, that classically combines dry eyes, dry mouth, and…