Toyoshima K, Shimamura A
Department of Oral Anatomy, Kyushu Dental College, Kitakyushu, Japan.
J Anat. 1992 Oct;181 ( Pt 2)(Pt 2):365-7.
The Leydig cells in the lingual epithelium of the axolotl were investigated by immunohistochemistry using serotonin antiserum. Serotonin-immunoreactivity was found in their secretory granules. The physiological role of serotonin in the Leydig cell, a type of exocrine cell, is unknown.