This section from human skin shows two cross sections and one tangential section
through the ducts of a sweat gland, the walls of which are composed of stratified
cuboidal epithelium. The two ducts cut in cross section can be seen to
be composed of two layers of cuboidal cell, characterized by circular nuclei
located centrally in the cells. In the duct that is cut tangentially, four
rows of nuclei can be seen, two on either side of a pink band that is the
apical cytoplasm of the cells closes to the lumen, which is out of the plane
of this section. The large, circular structure in the lower left corner of
theimage is the secretory portion of the sweat gland.
