Concept
Version 6
Created by Boundless
Epithelial Tissues
Columnar epithelia
Simple columnar epithelial cells absorb material from the digestive tract. The nuclei line up at the base of the cells. Goblet cells secret mucous into the digestive tract lumen.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Animal Primary Tissues. October 17, 2013."
http://cnx.org/content/m44731/latest/Figure_33_02_03.jpg
OpenStax CNX
CC BY 3.0.