Examlex
The goals and scope of a new information system are determined during the requirements analysis phase of the systems development life cycle.
Parietal Cells
Stomach cells that secrete hydrochloric acid, which is necessary to convert pepsinogen to pepsin. Parietal cells also secrete intrinsic factor, which is necessary for vitamin B12 absorption.
Intrinsic Factor
A substance secreted by parietal cells in the lining of the stomach. It is necessary for vitamin B12 absorption.
Sucrase
An enzyme that digests sugars.
Maltase
An enzyme that breaks down maltose into glucose during digestion.
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