Fig. 3
From: Nasal tissue-derived hamartoma in the maxillary gingiva of a calf
Histology of the nasal tissue-derived hamartoma. The cystic structures are surrounded by epithelial cells. Tubular structures are surrounded by stratified ciliated mucosal columnar cells, gland-like structures, and arterial and venous vessels. Arrowheads: arterial and venous vessels. Black arrows: gland-like structures. Cy: cystic structures. Tu: tubular structures. Hematoxylin and eosin (H&E) stain. Bar = 500 μm