76 PSYCHOBIOLOGY 



branch and pass between the fibrils, ending in enlarged outlets and knobs, 

 in a fashion much simpler than that in the case of the striated muscle 

 [Fig. 64]. 



Efferent nerve endings in glands are somewhat similar to the endings 

 in smooth muscle, the branches of the fiber penetrating between gland 

 cells and having spheroidal varicosities on their terminal segments. In 

 some cases the final branches seem to enter the cytoplasm of the gland 

 cells. 



REFERENCES ON AFFERENT AND EFFERENT NEURONS 



Lewis and Stohr, Histology, Pt. I, § II, The Central Nervous System. 



Sherrington, The Spinal Cord. In Schafer's Physiology. 



Schiifer, Microscopic Anatomy, § The Structure of the Tissues, Sub-§ The Tissues of 



the Nervous System. 

 Barker, The Nervous System, Chapters XXVI-XXXVIII, LV-LVI. 

 Bailey, Histology, Chapter XII. 

 Herrick, An Introduction to Neurology, Chapters IV-V. 



