THE MAMMAKY GLANDS. 785 



of yellow fat, itself tabulated by sheaths and processes of 

 tough areolar tissue (fig. 240) connected both with the skin 

 in front and the gland behind ; the same bond of connec- 

 tion extending also from the under surface of the gland to 



Fig. 240.* 



-s.^ 



the sheathing connective tissue of the great pectoral muscle 

 on which it lies. The main ducts of the gland, fifteen to 



* Fig. 240. Dissection of the lower half of the female mamma 

 during the period of lactation (from Luschka). f. In the left hand side 

 of the dissected part the glandular lobes are exposed and partially un- 

 ravelled ; and on the right hand side, the glandular substance has been 

 removed to show the reticular loculi of the connective tissue in which 

 the glandular lobules are placed : i, upper part of the mamilla or nipple; 2, 

 areola ; 3, subcutaneous masses of fat ; 4, reticular loculi of the connective 

 tissue which support the glandular substance and contain the fatty 

 masses ; 5, one of three lactiferous ducts shown passing towards the 

 mamilla where they open; 6, one of the sinus lactei or reservoirs; 

 7, some of the glandular lobules which have been unravelled; 7', others 

 massed together. 



3E 



