Pronunciation: di'a-ste'ma, -ste'ma-ta
- Space between two adjacent teeth in the same dental arch.
- Fissure or abnormal opening in any part, especially if congenital.
- Cleft or space between the maxillary lateral incisor and canine teeth, into which the lower canine is received when the jaws are closed; abnormal in humans but normal in dogs and many other animals.
[G. diastema, an interval]
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Examples: glitazone, GI cocktail, etc.