12
8
4
0
Test
oste
rone
con
cent
rati
on (
pg/m
L s
erum
)
Control Vehicle 213 mg/kg 425 mg/kg
Groups
Control Vehicle 213 mg/kg 425 mg/kg
Groups
300
200
100
0
Dia
met
er o
f se
min
ifer
ous
tubu
les
(µm
Control Vehicle 213 mg/kg 425 mg/kg
Groups
60
40
20
0
Nor
mal
of
sem
inif
erou
s tu
bule
s (%
)
Control Vehicle 213 mg/kg 425 mg/kg
Groups
100
75
50
25
0
Abn
orm
al o
f se
min
ifer
ous
tubu
les
(%)