Primary ciliary dyskinesia (PCD) comprises a wide range of phenotypes related to the impaired function of epithelial cilia. Histologically altered or absent cilia lead to multiple and variable consequences at the clinical level. Several research and clinical interest have surrounded respiratory ciliated epithelium because of its key role in clearing mucus from the ear. nose. https://www.learningepistemology.com/product-category/heating-pads/