An immunohistochemical survey of endocrine cells and nerves in the proximal duodenum of the echidna, Tachyglossus aculeatus.
D000818:Animals; D002838:Chromaffin System / Q000032:analysis*; D004386:Duodenum / Q000033:anatomy & histology*; D004759:Enterochromaffin Cells / Q000032:analysis*; D004847:Epithelial Cells; D005768:Gastrointestinal Hormones / Q000032:analysis*; D007124:Immunoenzyme Techniques; D007413:Intestinal Mucosa / Q000166:cytology*; D009007:Monotremata / Q000033:anatomy & histology*; D009412:Nerve Fibers / Q000033:anatomy & histology*; D004442:Tachyglossidae / Q000033:anatomy & histology*
D005768:Gastrointestinal Hormones