Is this recycled paper? No, it is made from 100% sustainable and renewable paper fibers, never any post-consumer waste paper that may have inks and dyes. All of our bedding products are also 100% biodegradable and compostable, so you get superior performance along with a product that's good for your pet and good for the planet.
Definition of sustentacular cell. : a supporting epithelial cell (such as a Sertoli cell or a cell of the olfactory epithelium) that lacks a specialized function (such as nerve-impulse conduction) new! Time Traveler
Molecules from the air lodge on the olfactory epithelium. Olfaction is odor detection. The olfactory receptors are located in the olfactory epithelium, a dime-sized area at the top of each nasal cavity. An epithelium is a layer of cells, so the olfactory epithelium is a layer of cells devoted to the sense of smell.