A Histological and Histochemical Study of the Brown and Yellow Adipose Tissue of the Bat, Hipposideros speoris

A study of the histology and histochemical reactions for lipase, alkaline phosphatase, acid phosphatase, adenosine triphosphatase, succinic dehydrogenase, lactic dehydrogenase, phospholipids, cholesterol, sulphydryl groups, and water-insoluble aldehydes and ketones in the brown and yellow adipose tissue of the bat {Hipposideros speoris) revealed that the two types of adipose tissue differ in histological structure as well as physiological activity. The histological structure of the two types of adipose tissue was found to be different, resembling that of the two corresponding types of the rat. The brown adipose tissue showed a higher concentration of succinic dehydrogenase, lactic dehydrogenase, phospholipids, cholesterol, and sulphydryl groups. No detectable difference between brown and yellow adipose tissue was, however, found with respect to lipase, alkaline phosphatase, acid phosphatase, adenosine triphosphatase, and waterinsoluble aldehydes and ketones.