164 



GROWTH 



PRINCIPLES AND THEORY 



TABLE 4 



TURNOVER OF CELLS IN RAT TISSUES 



After C. p. Leblond and F. D. BertalanfFy. From L. von Bertalanffy, 1953 



///. Tissues with cell renewal 

 Intestinal epithelium 

 Stomach: body 



surface epithelial cells 



mucous neck cells 

 Stomach: pylorus 



surface epithelial cells 



gland cells 

 Epidermis: plantar 



Malpighian layers 



stratum corneum 

 Epidermis: ear 



Malpighian layers 



Sebaceous glands 

 Epidermis: ventral abdomen 



Malpighian layers 

 Bladder epithelium 

 Tracheal epithelium 

 Lymph node of lung 



(lymphocytes) 

 Lung 



vacuolated alveolar cells 



non-vacuolated alv. cells 



70.4 



14.6 



3-4 

 12.3 



1.4 



6.9 



29.6 



8.2 



^ Unpublished results. 



^ Stevens, C. E., et al., (1953b) J. Biol. Chem., 202, 177. 



^ Leblond, C. P., and C. E. Stevens, (1948) Anat. Record, 100, 357. 



"* Stevens, C. E., and C. P. Leblond, (1953) Anat. Record, 115, 231. 



5 Storey, W., and C. P. Leblond, (1951) Ann. JSf. T. Acad. Sci., 53, 537. 



^ Leblond, C. P., M. Vulpe and F. D. Bertalanffy, (1955) J. Urol., 75, 311. 



"^ Bertalanffy, F. D., and C. P. Leblond, (1953) Anat. Record, j 15, 515. 



^ Bertalanffy, F. D., (1957) Anat. Record, i2g, 231. 



