*Alpha thalassemia facts medical author: Melissa Conrad StÃ¶ppler, MD. Alpha thalassemia is a blood disorder that reduces the production of normal hemoglobin, the protein in red blood cells that carries oxygen to cells throughout the body. There are four types of alpha thalassemia, hemoglobin Bart hydrops fetalis syndrome or Hb Bart syndrome (the more severe form), HbH disease, silent carrier state and trait. Alpha thalassemia occurs frequently in people from Mediterranean countries, North Africa, the Middle East, India, and Central Asia.
Search. The hip (acetabulofemoral joint) is a synovial joint formed by articulation between the femur and acetabulum of the pelvis. The head of the femur is cover by type II collagen (Hyaline cartilage) and proteoglycan.The acetabulum is the concaved portion of the ball and socket joint.The acetabulum has a ring of fibrocartilage called the labrum that deepens the acetabulum and improves stability of the hip joint.earch. The hip (acetabulofemoral joint) is a synovial joint formed by articulation between the femur and acetabulum of the pelvis. The head of the femur is cover by type II collagen (Hyaline cartilage) and proteoglycan.
Magnetic resonance imaging (MRI) showed low signal intensity in the femoral head and neck on T1-weighted images (Figure 2a) and homogeneous high signal intensity on T2-weighted images, with joint effusion and joint space preservation (Figure 2b). New bone tissue is then laid down and the femoral head regrows. Anterior dislocations are of two main types depending upon the amount of hip flexion at the time of impact: superior, where the femoral head is displaced into the iliac or pubic region and inferior, where the femoral head lies in the obturator region.