In a previous work1 attention was called to the fact that the postnatal development of the milk ducts probably depends to some extent on the body weight of the animal. The present work is an attempt to show: (1) to what extent the postnatal development of the milk ducts may be altered by changes from the normal body weight of the animal; (2) the effect of severe inanition on the development of all parts of the mammary gland; (3) the recovery of the mammary gland in animals on refeeding after inanition.
MATERIAL AND TECHNIC
The material used in this study was kindly presented to me by Dr. C. A. Stewart,2 who made a study on the central nervous system of the same animals. The series of rats used included more than twenty males and females ranging in age from birth to 10 weeks (one or two individuals being
MYERS JA. STUDIES ON THE MAMMARY GLANDV. THE EFFECTS OF INANITION ON THE DEVELOPING MAMMARY GLANDS IN MALE AND FEMALE ALBINO RATS FROM BIRTH TO TEN WEEKS OF AGE. Am J Dis Child. 1919;17(5):311-328. doi:10.1001/archpedi.1919.04110290008002