The pituitary gland
Possibly. When the pituitary gland doesn't work, anything can happen.
normally your hair, mostly every part of your body.
There is no known prevention of hypopituitarism, except for prevention of damage to the pituitary/hypothalamic area from injury.
Liver.
the lungs
the legs
The eyes.
Dislocation affects the joints in the body, where the bones are forced out of their normal positions. This can cause pain, swelling, and limited mobility in the affected joint. It is important to seek medical attention for proper treatment.
Hepatitis affects the liver in the body.
There are many known individuals that have been diagnosed with the issue of "Hypopituitarism." This condition is very likely to run in family circles.
The brain.
That would be the knee.