Talk:Book - Sex and internal secretions (1961) 10

I. Introduction

I. Introduction 590

II. Development of the Mammary Gland 591

A. Histogenesis 591

B. Normal Postnatal Development . 593

1. Methods of assessing mammary development 593

2. Mammary development in the nonpregnant female 594

3. Mammary growth in the male . . 595

4. Mammary development during pregnancy 596

5. Mammary involution 598

C. Experimental Analysis of Hormonal Influences 598

1. Ovarian hormones in the animal with intact pituitary 598 2. Anterior pituitary hormones. . . 601

3. Metabolic hormones (corticoids, insulin, and thyroid hormones) 604

III. Endocrine Influences in Milk Secretion 606

A. Anterior Pituitary Hormones 606

1. Initiation of secretion (laetogenesis) 606

2. Maintenance of milk secretion — galactopoiesis 609

3. Suckling stimulus and the main tenance of lactation 611

B. Hormones of the Adrenal Corte.x . . 612

C. Ovarian Hormones 613

D. Thyroid Hormones 617

E. Parathyroid Hormone 618

F. Insulin 619

IV. Removal of Milk from the Mammary

Glands: Physiology of Suckling AND Milking 619

A. Milk-Ejection Reflex 619

B. Role of the Neurohypophysis 621

C. Milk-Ejection Hormone 622

D. Effector Contractile Mechanism of

the Mammary Gland 623

E. Inhibition of Milk Ejection 624

F. Neural Pathways of the Milk-Ejection Reflex 625

G. Mechanism of Suckling 626

V. Relation between the Reflexes

Concerned in the Maintenance of Milk Secretion and Milk Ejection 627 VI. Pharmacologic Blockade of the Reflexes Concerned in the Maintenance OF Milk Secretion and

Milk E.tection 630

VII. Conclusion 632

VIII. References 632