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.
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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).
Balance
A biological system that enables us to know where our bodies are in the environment and to maintain a desired position. Normal balance depends on information from the inner ear, other senses (such as sight and touch) and muscle movement…
Read the definitionRandom terms
Show more- Medical word origin See: Medical etymology
- Parietal Adjective from the Latin 'parietalis' meaning 'belonging to the wall' that the ancient anatomists used to…
- Locoregional metastasis Metastasis (spread) of a cancer only within the region in which it arose. In contrast to systemic metastasis
- Food insecure When people must live with hunger and fear starvation
- Carotid artery A key artery located in the front of the neck though which blood from the heart goes to the brain. There are…
- Cell, T-4 A type of T cell that has CD4 markers on its surface and participates in the immune response by recognizing…
- Areflexia Absence of neurologic reflexes such as the knee jerk reaction
- Vision, tubular See: Tubular vision; Tunnel vision
- Seizure, astatic See: Atonic seizure
- Optic disc The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also…
- Mendelism The principles of genetics, specifically of single-gene traits, based on the work of Gregor Mendel (1822-84)…
- Anal fistula An opening in the skin near the anus that leads into a blind pouch or may connect through a tunnel with the…