TABLE OF CONTENTS. 15 



SECTION IX. 

 PHYSIOLOGY OF REPRODUCTION. 



PAGE 



CHAPTER LII. PHYSIOLOGY OF THE FEMALE REPRODUCTIVE ORGANS . . 872 



The Relation of the Ovaries to Menstruation, 876. Physiological Significance 

 of Menstruation, 878. Effect of the Menstrual Cycle on Other Functions, 

 879. Passage of the Ovum into the Uterus, 879. Maturation of the Ovum, 

 880. Fertilization of the Ovum, 883. Implantation of the Ovum, 884. 

 Nutrition of the Ovum Physiology of the Placenta, 885. Changes in the 

 Maternal Organism during Pregnancy, 887. Parturition, 888. The Mammary 

 Glands, 889. Connection between the Uterus and the Mammary Glands, 

 889. Composition of Milk, 891. 



CHAPTER LIII. PHYSIOLOGY OF THE MALE REPRODUCTIVE ORGANS .... 893 



Sexual Life of Male, 893. Properties of the Spermatozoa, 893. Chemistry 

 of the Spermatozoa, 895. The Act of Erection, 896. Reflex Apparatus of 

 Erection and Ejaculation, 897. 



CHAPTER LIV. HEREDITY; DETERMINATION OF SEX; GROWTH AND 



SENESCENCE 899 



Definition of Heredity, 899. Evolution and Epigenesis, 899. Determination 

 of Sex, 901. Growth and Senescence, 904. 



APPENDIX. 

 I. PROTEINS AND THEIR CLASSIFICATION 907 



Definition and General Structure of Proteins, 907. Reactions of Proteins, 908. 

 Classification of Proteins, 910. The Albumins, 911. The Globulins, 911. 

 The Albuminates, 911. Nucleo-albumins or Phosphoproteins, 911. Pro- 

 teoses and Peptones, 912. Protamins and Histons, 912. The Compound 

 Proteins, 913. The Albuminoids, 913. 



II. DIFFUSION AND OSMOSIS 914 



Diffusion, Dialysis, and Osmosis, 914. Osmotic Pressure, 914. Electrolytes, 

 915. Gram-molecular Solutions, 916. Calculation of Osmotic Pressure in 

 Solutions, 916. Determination of Osmotic Pressure by the Freezing Point, 

 917. Application to Physiological Processes, 917. Osmotic Pressure of 

 Proteins, 917. Isotonic, Hypertonic, and Hypotonic Solutions, 918. Diffu- 

 sion or Dialysis of Soluble Constituents, 918. Diffusion of Proteins, 919. 



INDEX.. , 921 



