Chap. XL] 



THE AXILLA. 



205 



subscapularis muscle, the dorsalis scapulae crossing the 

 axillary edge of the bone, and the acromial branches 

 of the acromio-thoracic artery. 



The axilla. The axilla may be regarded sur- 

 gically as a passage between the neck and the xipper 

 limb. Axillary tumours and abscesses may spread up 

 into the neck, and in like manner cervical growths and 

 purulent collections 

 may extend to the 

 arm-pit. The skin 

 forming the base of 

 the axilla is pro- 

 vided with many 

 short hairs and with 

 numerous sebaceous f 

 and sudoriferous 

 glands. In this in- 

 tegument small su- 

 perficial abscesses 

 are often met with, 

 that arise usually 

 from suppuration 

 of these glandular 

 structures, and that 

 are brought about 

 by the friction of 



the Skin against the Fig. 18.- Vertical Section through the Axilla 

 i i s\ all( l Shoulder-joint (Rudmger). 



clothing. Owing to 1 Sraimla . , bmm , rus . ^ clavick , . 4> acromion . 

 the tendency of the imS^n'd^ie^tofl^'^u^ex'artSOT!^ 

 axillary integument ^^^^ i ^^SSSSS^^ e i^^mSm 



to become Chafed niagnua; i, axillary artery ;;', axillary vein. 



and inflamed under 



friction, the axilla is not a good locality to select for 

 the use of the mercurial inunction as applied in 

 syphilis. Beneath the skin and superficial fascia? is 

 the axillary fascia, and beyond this dense membrane 

 is the axillary space. The connective tissue with 



