Haversian gland
now historical and rare
noun
A pad of adipose tissue covered by synovium; (in early use also) a synovial fold.
- Both of these structures were originally thought to be glands secreting synovial fluid..
Origin
Mid 19th century; earliest use found in Todd's Cyclopaedia of Anatomy and Physiology. After post-classical Latin glandula Haversiana.