Listeria. Listeria is a bacterium that causes a serious infection called listeriosis. Around 300 deaths are caused by Listeria infection each year, according to estimates from a 2011 CDC report. Listeria bacteria are most commonly found in raw foods. Vegetables can be contaminated by soil and water carrying bacteria.
Human male reproductive system. The scrotum is the bag that holds the testicles (commonly called balls) in male mammals. It is made of skin and muscle and is found between the penis and anus. It is often covered in pubic hair and becomes tight when the male is aroused.
Surgery to relocate the testicles inside the scrotum is called orchidopexy. 1  The operation procedure generally includes: 2  A general anaesthetic is given. 3  An incision is made in the groin to access the testicle inside the inguinal canal. 4  The testicle is taken out of the inguinal canal.