AHSORPTIOX. 



209 



ing fewer lymph corpuscles. The central mass is enclosed in endothelium, 

 the cells of which join by their processes, the processes of the adenoid 

 framework of the lymph sinus. The trabeculse are also covered with 

 endothelium'. The lining of the central mass does not prevent the passage 



FIG. 214. Section of medullary substance of an inguinal gland of an ox: a, a, glandular substance- 

 or pulp forming rounded cords joining in a continuous net (dark in the figure): c, c, trabeculse; the 

 space, b. b. between these and the glandular substance is the lymph-sinus, washed clear of corpuscles- 

 and traversed by filaments of retiform connective-tissue, x 90. (Kolliker.) 



tr- 



Fift. 215. Diagrammatic section of Lymphatic gland, a. I., Afferent; e. L, efferent lymphatics^ 

 C, cortical substance: I. h., reticulating cords of medullary substance: I. ., lymph-sinus; c., fibrous 

 coat sending in trabeculre; t. r., into the substance of the gland. (Sharpey.) 



of fluids and even of corpuscles into the lymph sinus. The framework of 

 the adenoid tissue of the lymph sinus is nucleated, that of the central 

 mass is non-nucleated. At the inner part of the alveolus, the wedge- 



