STRUCTURAL FORM AND EXAMINATION 285 



The face should be straight, except as specifically altered 

 by breed qualifications. Quality should be apparent. 



Fig. 121. — Cross-section of mammary glands of cow: u,, body of gland; 

 ^, lactiferous sinus; c, cavity of teat; d, duct of teat; e, intermammary groove; 

 /, septum between glands; g, supramammary fat. (Courtesy of L. W. 

 Sisson, from Anatomy of Domestic Animals.) 



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