n] 



HISTOLOGY 



15 



a transitional epithelium : that forming the epidermis or super- 

 ficial portion of the skin is a stratified epithelium. In addition 

 to these kinds of epithelia there are the more specialised forms 



Fig. 7. Diagium illustrating development of different kinds of glands (from 

 Gray). A simple gland, B sacculated gland, C convoluted tubular gland, 

 l> and E racemose glands, F compound tubular gland. 



present in secreting glands, and certain sense organs, besides those 

 structures like horn, tooth enamel, etc. which are of the nature 

 of modified epithelia. These are described later in dealing with 

 the physiology of the organs concerned. 



(2) Connective Tissues. 



The connective tissues are found throughout the whole body 

 lying between and binding together the different organs or parts 

 of the same organ. Their function is to act in a purely mechani- 

 cal manner giving support where required and at the same time 



