DNIS stands for. 1  32. similar. DNIS. 2  3. DNIS. Dialled Number Identification Service. 3  3. DNIS. Dialed Number Information Service. 4  3. DNIS. Dialed Number Identification System. 5  3. DNIS. Dialed Number Identification Services. 6  3. DNIS. Dial Number Identification Service. 7  2. DNIS. Direct Number Identification Service. 8  2. DNIS.
Locate a large fingerlike projection at the surface of the organ (this is an intestinal villus ). Observe that the projection has an internal component and a surface. The surface of each villus is covered with simple columnar epithelium .
Simple columnar epithelium â is a single layer of tall, closely packed cells that line the digestive tract from the stomach to the rectum. Functions include absorption and secretion. They contain dense microvilli on their apical surface.