Flashcards in Chapter 7 Questions Deck (64)
What are the effects of thyroid and sex hormones on bone development and growth
Thyroid hormones stimulate replacement of cartilage in the epiphyseal plates of long bones with bone tissue. Sex hormones stimulate ossification of epiphyseal plates and stop bone growth.
What are fontanels; what's their significance?
They permit some movement between the bones so that the developing skull is partially compressible and can change shape for birth. Soft spots on babies head
Describe a typical vertebrae
Body, Pedicles, laminae, spinous process, vertebral arch, vertebral foramen, transverse process, superior and inferior articulate processes, intervertebral foramina
What part of the vertebra is drum shaped and forms the thick anterior portion of the bone that support the weight of head and trunk
What part of vertebra projects posteriorly from the body and the forms the sides of the vertebral foramen
What part of the vertebra are plates that arise from the Pedicles and fuse in the back
What forms as a result of the laminae fusing
What is the bony arch comprised of Pedicles, laminae and spinous process that forms around the vertebral foramen
What is the opening that the spinal cord passes through
What is the projection from each side between the Pedicles and laminae
What project upward and downward from each vertebral arch
Superior and inferior articulate processes
What are openings formed by notches on the lower surfaces of the vertebral Pedicles that align with adjacent vertebrae; and provides passengers for spinal nerves
What vertebrae have bifid (forked) spinous processes; and the transverse processes have transverse foramina that leases way for arteries into the brain?
What vertebrae compose the axis of the neck
What cervical vertebrae is the first that supports the head
What second cervical Vertebra allows the head to turn from side to side
What vertebrae have long pointed spinous processes sloping downward; facets in the side that articulate with ribs?
What vertebrae have large bodies that are short with stubby spinous processes
What is the triangular structure at the base of the vertebral column
What is the lowest part of the vertebral column
What does the thoracic cage include
Ribs, thoracic vertebrae, sternum, costal cartilages that attach ribs to sternum
What are the three parts of the sternum
Manubrium, body, xiphoid process
What process forms the tip of the shoulder
What process provides attachments for upper limb and chest muscles
What cavity articulates with the head of the arm bone
Where does the capitulum of the humerus articulate with the radius?
What does the trochlea of the humerus join?
What depression receives a process of the ulna( coronoid process) when the elbow bends
What depression receives the olecranon process when the elbow straightens