LDH activity was higher in initial segment and distal cauda than in the caput and corpus epididymidis, although no significant differences in mean values had been observed.
Intermediate and similar total protein concentrations were observed for the caput and corpus epididymidis (7.4[+ or -]0.83 and 7.0[+ or -]2.39 mg protein/ 100 mg tissue, respectively), with no significant differences between these two regions or between the caput, corpus and distal cauda epididymidis or between initial segment, caput and corpus epididymidis (Fig.
The highest LDH activity was observed in the cauda epididymidis (7.88[+ or -]0.60 U/100 mg tissue), while the lowest activity was found in the corpus epididymidis (4.70 [+ or -]2.28 U/100 mg tissue).
Corpus epididymidis tissues showed low activity of LDH, as well as a low reactivity was also observed along the connective tissues of epidydimal support.
On the other hand, in rat, rabbit and sheep the highest total protein concentration was observed mainly in proximal and distal corpus epididymidis and the lowest levels occurred in cauda epididymidis (Riar et al.).