| Galear and thoracal bows simple, of nearly equal size, larger than the frontal bows between them. |
| Galear bows simple, smaller than the frontal bows, which are again smaller than the thoracal bows. |
| Fat is mainly deposited in subcutaneous tissue, but it also accumulates in the abdominal or thoracal region. |
| In the frontal plane two galear bows project upwards, and two thoracal bows downwards. |
| Galear and thoracal bows forked, the former smaller than the frontal bows, the latter larger. |
| Patients with AS may present tremendous challenges to the anesthesiologists due to fusion of the cervical and thoracal spine, and stiffness of the temporomandibular joint. |
