24 
A Description of all the 
Sea. VII. 
SECT. VII. 
CoiViPARisoN of the Structure of the Burs^ with that of the 
Capsular Ligaments of the Joints. 
E are at firfl: fight ftruck with the refemblance which the ftrudure of 
the burfse bears to that of the capfular ligaments of the joints ; and the more 
attentively we purfue the comparifon, the more juft and perfed their agree- 
ment will be found. 
r ■ - 
1. The internal membrane of the ligaments of the joints, like that of the 
burfte, is thin and denfe. 
» ^ 
2. It is conneded to the external ligaments by the common cellular fub- 
ftance. 
3. Between it and the bones, layers of cartilage or the articular cartilages 
are interpofed. 
4. At the lides of the joint, where it is not fubjeded to violent preflure and 
fridion, the adipofe fubftance is conneded with the cellular membrane. 
5. Within the cavities of the joints we obferve mafles of fat projeding, co- 
vered with fimilar blood-velfels, and with fimilar fimbrise or fringes hanging 
from their edges (j). 
6. In the knee we may obferve the upper part of fuch a mafs of fat, form- 
ing what has been called the mucilaginous gland of the joint ; and the under part 
of 
• (j-) Compare in Tab. VIII. fig. i. 2. to 15. with fig. 16. and 17. 
