Contents xiii 



Cell Interactions 



during Growth and Morphogenesis Page 80 



MANY CELLS DO WHAT FEW CANNOT DO 



INDUCTIVE INTERACTIONS 



SYNERGISTIC INDUCTIONS 



INHIBITORY INTERACTIONS 



KNOWN MECHANISMS 

 OF CELL INTERACTION 



CONCLUSION 



8 



Growth and Form Page 92 



NUTRITION 



THE S-SHAPED CURVE OF GROWTH 



GROWTH OF THE 



MULTICELLULAR ORGANISM 



THE LIMITATIONS OF SIZE AND FORM 



EQUATIONS THAT DESCRIBE GROWTH 



Selected Readings Page 107 



Index Page 111 



