Fig. 6
From: Functional morphological study on the tongue of the adult Egyptian geese (Alopochen egyptiacus)
Light micrographs of longitudinal paraffin sections (A-D) showing ossification of the entoglossum of the geese’s tongue. Photos (A & B) stained with Masson’s Trichrome (C & D) with H&E. Note, parakeratinized dorsal epithelium (KDE), ventral epithelium (VE), the entoglossum (E), bone trabeculae (black arrow), adipose tissue (black star), cartilaginous canal (cc), osteoclast cell (green arrow), resting zone (r), proliferating zone (P) and hypertrophic zones (h)