Fig. 4
From: Impact of bisphenol-A on the spliceosome and meiosis of sperm in the testis of adolescent mice
Sperm abnormalities at different BPA doses. Note: Group A was the control group, groups B-G were 0.05, 0.5, 5, 10, 20, 50 mg/kg/d BPA groups, respectively. The sperm count is the number of sperm in the whole field of microscope at 400X magnification after the sperm smear is finished. 1, head malformation; 2, mid-piece deletion; 3, acrosome deletion; 4, tail deletion. The results are expressed as the mean ± standard error. Different superscript letters (a, b, c) or * indicate significant differences (P < 0.05)