CONTENTS. xi 



The (Esophagus and Stomach ,,g 



The Intestine ,,3 



Histogenesis of the Gastrointestinal Tract 343 



The Development of the Liver 346 



Histogenesis of the Liver 350 



The Development of the Pancreas. . . ... 351 



Histogenesis of the Pancreas 354 



Anomalies . , .... 355 



Practical Suggestions . . 350 



References for Further Study . . 360 



CHAPTER XIII. 



The Development of the Respiratory System. . 

 The Larynx 

 The Trachea ... ... 



The Lungs ... 



Changes in the Lungs at Birth .... 



Anomalies 



Practical Suggestions 



References for Further Study ... 



CHAPTER XIV. 



The Development of the Ccelom, the Pericardium, Pleuroperitoneum, 



Diaphragm and Mesenteries 



The Pericardial Cavity, Pleural Cavities and Diaphragm . 



The Pericardium and Pleura 



The Omentum and Mesentery 



The Greater Omentum and Omental Bursa 

 The Lesser Omentum . . . 



The Mesenteries 

 The Peritoneum 

 Anomalies ... 

 Practical Suggestions ... 



References for Further Study 



362 

 303 

 36s 

 366 



369 



37° 

 37o 

 37i 



372 

 373 

 379 

 379 

 380 



381 

 382 



384 

 384 



38S 

 386 



CHAPTER XV. 



The Development of the Urogenital System . . 387 



The Pronephros • • ■ • ■ • ■ 3 8 7 



The Mesonephros 3 8 9 



The Kidney (Metanephros) 394 



The Ureter, Renal Pelvis, and Straight Renal Tubules 394 



The Convoluted Renal Tubules and Glomeruli 396 



The Renal Pyramids and Renal Columns . . . .... 400 



Changes in the Position of the Kidneys ... . 402 



