GROWTH OF THE BODY AND OF THE VARIOUS 



ORGANS OF YOUNG ALBINO RATS AFTER 



INANITION FOR VARIOUS PERIODS. 



CHESTER A. STEWART, 



INSTITUTE OF ANATOMY, UNIVERSITY OF MINNESOTA, MINNEAPOLIS. 

 (FIVE TABLES AND FOUR CHARTS.) 



CONTENTS. 



PAGE 



Material and methods 17 



Alternate fasting and ref ceding experiments 21 



Refeeding after various periods of maintenance 23 



1. Growth in body weight 23 



2. Ratio of tail length to body length 28 



3. Head 30 



4. Extremities and trunk 31 



5. Integument 32 



6. Skeleton 33 



7. Musculature 34 



8. Viscera and "remainder" 35 



9. Brain 36 



10. Spinal cord 36 



1 1 . Eyeballs 39 



12. Thyroid gland 39 



13. Thymus 40 



14. Heart 41 



15. Lungs 41 



16. Liver 42 



1 7. Spleen 43 



1 8. Stomach and intestines 43 



19. Suprarenal glands 44 



20. Kidneys 45 



21. Testes and epididymi 46 



22. Ovaries 46 



23. Hypophysis 47 



24. Pineal body 47 



Conclusion 48 



Summary 48 



Literature cited 50 



Recent investigators have found that the capacity for growth 

 is not lost in young albino rats held at nearly constant body weight 

 for considerable periods, although important changes have taken 



16 



