More common than testicular cancer is epididymitis, which is inflammation of the epididymis, a tubular structure next to the testicle where sperm mature. About 600,000 men get it each year, most commonly between ages 19 and 35.
Click to read more below. The diaphragm in the respiratory system is the dome-shaped sheet of muscle that separates the chest from the abdomen. It is also referred to the thoracic diaphragm because itâs located in the thoracic cavity, or chest.
Parts of the diaphragm. 1  Top of the diaphragm (superior surface) is convex and protrudes into the thoracic cavity. 2  Bottom of the diaphragm (inferior surface) is concave and faces the abdominal cavity. 3  Front of the diaphragm (middle part) is known as the sternal part. 4  Back of the diaphragm (middle part) is the lumbar part.