1300 THE SKIN, MAMMARY GLANDS AND DUCTLESS GLANDS 



cephalically, without sharp demarcation, with the ventral surface of the thorax 

 but laterally and caudally it is usually sharply defined (figs. 1058, 1060). It is 



Fig. 1059. — The Female Mamma During Lactation. (After Luschka.) 



Acini of gland 



Areola 



Adipose loculus 



Gland loculus 



Fig. 1060. — Sagittal Section of the Right Mamma op a Woman Twenty-two Years 



Old. (Testut.) 



Clavicle rj^M^. 



Retinaculum cutis - 



Pyramidal process / 4, ' ' _\ ^m' 



Areola 



Nipple. 



Lactiferous duct 

 Lactiferous sinus 



- First rib 



Second rib 



'■^^ ~- Pectoralis minor 

 -Intercostal muscle 

 Pectoral fascia 



Third rib 

 (Vt'so -Connective tissue 



l^u^ _ Superficial fascia 



Jv Fat 

 ._-i. ---Horizontal plane 



Fifth rib 



Sixth rib 



Pyramidal process 



Rectinaculum Fat 

 cutis 



External oblique 



most prominent slightly meso-caudal to tlio centre and at this point there is a 

 marked pigmented projection, the nipple [papilla mammae] surrounded by a 



