Question

what does the light red layer between the white lumen and blue lamina propria consist of? if you didnt have enough time to look at the slide lower the labpad to have a look at the slide again or click the view image button. a). mucus b) epithelial cells c) single layer of plasma membrane d) brush border

Explanation:

In tissue histology of the gut (the structure described with lumen, epithelial layer, and lamina propria), the layer between the hollow lumen (white) and the connective tissue lamina propria (blue-stained) is the epithelial lining, made of epithelial cells. Mucus is a secretion on top of this layer, a single plasma membrane is not a tissue layer, and the brush border is a specialization on the epithelial cells, not the full layer itself.

Answer:

b) Epithelial cells