Examlex
Explain how the juxtaglomerular apparatus helps maintain proper blood flow to the kidney.
Muscularis Externa
A layer of muscle in the gastrointestinal tract wall that is responsible for peristalsis and segmentation movements.
Serosa
A smooth membrane consisting of mesothelial cells, covering the exterior of abdominal organs and lining the cavity they reside in.
Submucosa
The layer of dense irregular connective tissue or fibrous connective tissue beneath the mucosa layer, supporting it and connecting it to other tissues.
Parietal Cells
Cells in the lining of the stomach that produce hydrochloric acid and intrinsic factor, crucial for digestion and B12 absorption.
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