36 



EPIDERMIC TISSUE. 



[SECT. 20. 



Fig. 8. 



uterus, from the middle of the cervix inwards ; of the Fallopian 

 tubes, as far as the outer surface of the fim- 

 briae (fig. 8). 



5. With roundish ciliated cells (ciliated simple 

 pavement epithelium). Epithelium of the ce- 

 rebral ventricles. 



b. Epithelium of several layers. 



Ciliated cells from the finer 



Fig. 9. 



With cylindrical or roundish cells in the bronchi ' magnified 35 ° times - 



deep layer, and polygonal, more or 

 less flattened cells, towards the surface 

 (stratified pavement-epithelium) . 



Epithelium of the oral cavity, 

 the lower half of the pharynx, 

 the oesophagus, the lacrymal canal, 



eye, 



the 



A simple papilla, with several vessels of epi- 

 thelium, from the gums of a child ; magnified 

 250 times. 



the conjunctiva of the 

 tympanic cavity, the vagina and 

 female urethra, the urinary blad- 

 der, ureter, pelvis of the kidney, 

 and certain synovial membranes, 

 the pigment of the posterior sur- 

 face of the iris and of the corona 

 ciliaris (fig. 9). 



2. With roundish cells in the deep 

 portion, elongated in the middle, and 

 ciliated, conical, superficially (ciliated 

 stratified epithelium). Fig. 10. 

 Epithelium of the larynx, trachea, and larger bronchi, of the 

 nasal cavities, the floor ex- 

 cepted, of the lacrymal sac and 

 ducts, and of the upper half of 

 the pharynx. 



3. As in 2, except that the 

 upper cells are not ciliated. 

 Epithelium of the olfactory 



region. 



As an epidermic structure, 

 we may, moreover, designate 

 the enamel of the teeth, which 

 contains prismatic, firmly cal- 

 cified, long fibres, produced by nified 350 timeg , 0- Innermost part of the elastic lon- 



_ • gitudinal fibres. 6. Homogeneous innermost layer of 

 cpi- the mucous membrane, c. Deepest round cells, d. 

 e. Superficial, bearing cilia. 





Ciliated epithelium, from the human trachea; mag- 



the intervention 

 thelial cells of 



of the 



the enamel Miad,eelongated 



