CONTENTS xi 



CHAP. PAGE 



XV. THE RESPIRATORY EXCHANGE (continued) 



The Causes of the Gaseous Exchange between the Blood, 



Lymph, and Tissues ....... 557 



The Regulation of Respiration in Health and Disease . . 559 



Respiration in the Embryo and Foetus 569 



Bibliography . 572 



XVI. INTERNAL SECRETION 575 



The Thyroid Gland 575 



The Supranenal Capsule 581 



Bibliography 586 



BY A. P. BEDDARD 



XVII. THE PRODUCTION OF LYMPH 588 



Experiments dealing with Lymph Formation . . . 590 



Experiments dealing with Lymph Absorption . 606 



The Relation of Lymph to the Nutrition of the Tissues . 616 



Bibliography 618 



XVIII. THE MECHANISM OF ABSORPTION FROM THE 



SMALL INTESTINE .620 



Bibliography 659 



XIX. THE FORMATION OF UREA . . , , , .660 



The Precursors of Urea 664 



The Seat of Formation of Urea 678 



Bibliography .......... 690 



XX. THE SECRETION OF URINE 691 



Action of Saline Diuretics , 702 



The Retention of Chlorides in the Body .... 708 



The Excretion of Dextrose 711 



The Properties of the Cells of Bowman's Capsule . . .713 



Adequacy of Blood Pressure as the Filtering Force . . 715 



The Function of the Tubules 719 



The Anatomical Separation of the Gloineruli and Tubules . 720 



The Reaction of the Urine 724 



Bibliography 728 



INDEX 729 



