LYMPHATIC SYSTEM OF SKIN AND MUCOUS MEMBRANES, 893 
siological and pathological respects this intimate relation 
between the adipose tissue of the skin and the absorbents is, 
since that tissue plays a very prominent part in the economy 
of the body in health and disease. 
In my ‘ Anatomy of the Lymphaties,’ Part I, Chapter II, I 
have shown that in its formation the fat tissue of the serous 
membranes has an intimate relation to the ultimate lym- 
phatics of those parts, the fat-cells being formed from con- 
nective-tissue cells (Flemming) situated in the rootlets of 
the lymphatics, 7. e. in the lymph canalicular system ; what 
I have now described of the anatomical distribution of the 
intercellular lymphatics in the fat tissue of the skin bears 
this out in a very striking degree. 
c.—The Lymphatics of the Sweat Glands, 
25. The sweat glands possess also their own minute lym- 
phatics. These are very distinct in preparations of the 
human skin successfully injected with asphalt-benzole ; they 
are taken up by the lymph-vessels of the surrounding tissue 
described above, 7. ¢. those belonging to the plexus of lym- 
phatics of the connective-tissue ground substance. In Fig. 6 
are seen the lymph-clefts situated between the coils of the 
sweat-gland tube and the connective tissue separating the 
former. The relation of the lymph-clefts to the coils of 
the gland tube on the one hand and to the connective tissue 
on the other appears to be the same as that described of the 
fat tissue, viz. the lymph-clefts do not possess their own 
proper wall of endothelium. Also along the duct of the 
sweat gland, while passing through the corium, lymph-clefts 
may be traced for a longer or shorter distance, as is shown 
in horizontal sections in which the ducts are cut trans- 
versely, or nearly so. The above lymph-clefts surround 
sometimes half or even more of the circumference of the 
duct, so that this latter appears almost invaginated by the 
lymphatic. 
p.—The Lymphatics of the Hair-Follicles and Sebaceous 
Glands. 
26. The hair-follicles possess, according to Teichmann, 
G. and F. Hoggan, no lymphatics ; Neumann describes lym- 
phatic vessels which surround the hair-follicles as the 
proper vessels of these latter. But I recognise in his de- 
scription and illustration (l.c., fig. 5, plate iii), merely 
lymphatics of the general connective-tissue ground sub- 
stance. ” 
