Skeletal system - girdles, Biology



  1. 4 bones. It is located on posterolateral part of upper region of the throax.
  2. It consists of scapula & clavicle. Scapula is placed at the back of shoulder. It is large, triangular blade like.
  3. It has at its lateral angle, a glenoid cavity for the articulation of head of humerus.
  4. Clavicle is also known as collar bone.



It provides articulation to arm bones. Placement of muscles.


  1. 2 bones. Located in lower part of trunk.
  2. Made up of Ilium, ischium & pubis, all three forms innominate or hip bone.
  3. Innominate of both sides combine from pubis symphysis.
  4. Acetabulum cavity present articulated with had of femur.
  5. Between girdle obturator foramen present.

1648_girdle1.png             461_girdle2.png




1.      It provides articulution to hind leg's bones.

2.      It transfer the weight of body to leg.

3.      It provides the attachment to certain leg muscles.

Posted Date: 10/2/2012 8:48:36 AM | Location : United States

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