20 



TASTE-OKGANS OF MAN. 



35,000. In man they almost touch each other on some 

 parts of the tongue, and their number is very great. 



Fig. 21.— Taste-Buds of the rabbit (after Engelinann in Strieker's "Handbook "), x 450. 



The "taste-buds" consist of from fifteen to thirty 

 long narrow cells, arranged almost like a circular bundle. 

 Those on the outside lie in close contact with the walls 

 of the cavity. The cells appear to be of two kinds : 



Fig. 22.— a, Isolated taste-cells from the mouth of rabbit ; b, two cover-cells and a 

 taste-cell in their_natural position (after Engelmann), x 600. 



the outer ones do not differ markedly in appearance — 

 at least, with our present magnifying powers — from 

 ordinary epithelial cells, and have not been shown to 

 be connected with nerves. Those in the centre are 



