Fig. 8
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 lingual prominence of the geese’s tongue (B, D & F) and area in front it (A, C & E). Photos (A, C & E) stained with H&E and (B, D & F) with Crossmon’s Trichrome. Note, lingual prominences (two red arrow), Keratinized epithelium (KP), submucosa (SM), entoglossum (E), median groove (black arrow), dorsal keratinized papillae rostral to lingual prominence (green arrow), marginal papillae (P), small papillae (sp) Herbst corpuscle (H), compound rostral lingual glands (RLsg), mucous cells (black arrow heads) and connective tissue septa between lobule of salivary gland