Glossary of Medical Terms

Our online medical glossary of medical terms and definitions includes definitions for terms related to treatment, and general medicine


A ringlike band of muscle fibres that constricts a passage or closes a natural orifice, also called musculus sphincter. Origin: L., Gr. Sphinkter = that which binds tight This entry appears with alow from the Vocabulary of Cell and Molecular Biology
external occipital crest   external occipital protuberance   external opening of urethra   external ophthalmopathy   external ophthalmoplegia   external os of uterus   external ovular transmigration   external pacemaker   (1)
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