There are different reasons why one testicle may appear bigger than the other. If one of your testicles is slightly bigger than the other, don’t panic, this is completely normal for most men and boys.

Macmillan’s guidelines are to hold the scrotum in the palm of your hand and use your fingers and thumb to examine each testicle for lumps, swellings, differences between testicles and anything unusual ...

Histological examination of the testis in the normal group reveals various types of spermatogenic cells within the seminiferous tubules. The different cell types include the following: Sg: ...