22 



THE CONNECTIVE AND SUPPORTING TISSUES. 



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LABORATORY WORK FOR THE-- --WEEK. 



References : 

 Points for Quiz : 

 Laboratory Report : 



Due : 



Go to the delivery desk (; for assigned slides, 20, 22, 27. 



(b) With a slide prepared for a paraffine section ( 67, a), 26. 



(c) With clean slides for 28 and 30, already stained and in 95% 

 alcohol ; clear and mount in balsam. 



(d?) With clean slides for 24 and 25, now in glycerin ; mount 

 in glycerin jelly ( 105). 



(e) With a clean slide for 31 ; stain and mount as directed 

 below. 



(/") With a clean slide for 29 ; tease as directed below ; mount 

 in glycerin jelly. 



Of) With a clean slide for 21, a fresh preparation ; treat as 

 directed below. 



MUCOUS TISSUE. 



20. Mucous tissue. From 'the umbilical cord of a fetal 

 mammal. (Jelly of Wharton). Spread preparation. Assigned for 

 study. Stained with hematoxylin and eosin. 



In studying this preparation, note the shape of the cells and 

 the anastomosis of their processes ; the general homogeneity of the 

 intercellular substance. Compare with 22. 



AREOLAR TISSUE. 



r 



21. Areolar tissue (subcutaneous). Fresh preparation. 

 The instructor will make for you an artificial edema by injecting 

 normal salt solution into the subcutaneous connective tissue of a kit- 

 ten. This separates the constituents somewhat and enables one to 

 get so thin a layer that the different elements can be easily made out. 



