Grossly, the kidneys are bean-shaped structures and weigh about 150 g in the male and about 135 g in the female. They are typically 10-12 cm in length, 5-7 cm in width, and 2-3 cm in thickness. The images below further depict kidney anatomy and positioning Renal anatomy, renal fascia.
Osteoarthritis occurs when the cartilage of a joint erodes (breaks down). Bones begin to rub against each other, causing pain and difficulty moving the joint. Osteoarthritis also can affect nearby bones, which can become enlarged in places. These enlargements are called bone spurs or osteophytes.
Osteoarthritis is the most common form of arthritis in the United States, affecting roughly 12 percent of Americans aged 25 - 74. It's a chronic joint disease that breaks down cartilage and bones in the neck, lower back, knees, hips, shoulders and/or fingers.