A Toxicological Evaluation of Methylliberine (Dynamine®)

Figure 5

Epididymis sections of male rats in the 90-day study (H&E, 200X). (a) Normal storage of mature spermatozoa in a male control animal at termination of treatment. (b) Lack of mature spermatozoa in a male animal at 225 mg/kg bw/day at termination of treatment. (c) Normal storage of mature spermatozoa in a male control animal at 225 mg/kg bw/day at the end of the recovery period. (d) Lack of mature spermatozoa in a male control animal at 225 mg/kg bw/day at the end of the recovery period.

(a)

(b)

(c)

(d)