Fig. 3.

Maps of fungiform papilla counts on dorsal surfaces of three +/+ and four −/− tongues. Maps were drawn from stained tongues, illustrated in Figure 2. The total number of papillae is indicated at the tip of each tongue diagram. Not only was the number of papillae reduced on −/− tongues, but also the remaining papillae were concentrated in the anterior tongue quadrant. Numbers of papillae in this figure represent data from the second replication of papilla counts, whereas numbers of papillae in Table 2 are the average from two replications.