Form and Function of the skin glands in the Himalayan newt Tylototriton verrucosus

Scanning electron micrographs showing the skin surface (a, b) and sections through the skin (c, d) of T. verrucosus. a Overview of the skin surface in the dorsal trunk region with numerous gland pores (indicated by arrows). b Detail showing a single gland pore and surrounding epithelial cells. c Section through the left parotoid gland. Note the densely packed granular (poison) glands indicated by arrows. d Section through the dorsal trunk region with roundish poison glands just beneath the epithelium. De, dermis; Ep, epithelium, GG, granular glan