Bipolar Disorder: Causes, Symptoms and Treatments. Bipolar disorder is a mental disorder characterized by extreme shifts in mood, as well as fluctuations in energy and activity levels. During these abnormal shifts, the patient commonly finds it difficult to complete everyday tasks. Bipolar disorder is also known as manic-depressive illness.
Same point of view as above of right femur from behind. Greater trochanter is labeled at right. The greater trochanter (great trochanter) of the femur is a large, irregular, quadrilateral eminence and a part of the skeletal system. It is directed lateral and medially and slightly posterior. In the adult it is about 1 cm lower than the head.
lesser trochanter, one of a pair of conic projections on the shaft of the femur, just below the neck. It is the site of insertion of the psoas major muscle.