Ch 7 pT 6

Question 1

spina bifida

Answer 1

congenital defect of the vertebral column where one or more of the vertebral arches are incomplete

Question 2

dysplasia of the hip

Answer 2

the acetabulum forms incompletely or the ligaments in the joint are loose so the head of the femur slips out of the socket

Question 3

Old age development

Answer 3

intervertebral discs are thin and less hydrated and elastic; several cent. height loss by55; costal cartilages ossify; bones loose mass