672 



Comparative Morphology of Chordates 



Vallate papilla Secondary papillae 



Taste bud 



Lamina propria 



Epithelium- 



Orifice of a serous gland 

 Small papilla 



( /, 



Striated muscle 



Nerve with ganglion cells Fascia linguse Mucous gland Vein 



f Fig. 501. (Top) Axial section of a 



I human vallate papilla. (X 25.) 



_ h (Left) Taste-buds in the wall of a 



%) ig :\ foliate papilla of a rabbit. Surface of 

 tongue at left. (Courtesy, Bremer: 

 'Text-Book of Histology," Phila- 

 delphia, The Blakiston Company.) 



