MUCH has been said in the past about the relation of chronic irritation to the development of cancer. Recent concepts are more specific and put carcinogenesis on a physicochemical basis in which the ...

Ciliated muconodular papillary tumors (CMPTs) are rare, peripheral pulmonary lesions that have garnered increasing attention due to their unique histological and molecular characteristics. Typically ...

Cilia, or ciliated epithelia, cover our respiratory tract like a lawn. In our pharynx and nasal mucosa they are responsible for continuously transporting mucus and particles embedded therein towards ...

Human beings like other land animals breathe though their nostrils in noses and with the help of lungs. A pair of lungs are located in the airtight thoracic cavity that is bounded by a convex muscular ...