closure

closure (klo´zhur)

1. The completion of a reflex pathway. 2. The place of coupling between stimuli in the establishment of conditioned learning. 3. To achieve or experience a sense of completion in a mental task.
flask c. in dentistry, the procedure of bringing the two halves or parts of a flask together; trial flask c.'s are preliminary c.'s made to eliminate excess denture-base material and to ensure that the mold is completely filled; the final flask c. is the last c. of a flask before curing, following trial packing of the mold with denture-base material.
velopharyngeal c. the apposition of the palate to the upper posterior pharyngeal wall as in deglutition and in some speech sounds.

 

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