Fig. 9
From: Functional morphological study on the tongue of the adult Egyptian geese (Alopochen egyptiacus)
Light micrographs of cross paraffin sections (A-F) showing structure of the transverse row of lingual papillae (A-C) and lingual root (D-F). Photos (A & B) stained with Masson’s Trichrome, (C & D) with H&E and (E & F) with PAS. Note, parakeratinized papillae (green arrow), basihyoid (B), two branchial horns (h), Herbst corpuscle (H), caudal lingual gland (CLsg), mucosal elevation (black arrow), muscles (M), mucous secreting cells (black arrow heads) and capsule (C)