Spinal 2 Exam 2 Wk 3 Flashcards
What joint is formed between the odontoid process ossification centers and the centrum of C2?
the subdental synchondrosis
What is the name given to the condition in which the joint formed between the odontoid process and centrum of C2 persists beyond age 7?
os odontoideum
What is the name given to the joint formed between the tip of the dens and the odentoid process centers of ossification?
tip of the dens synchondrosis
If the joint formed between the tip of the dens and odontoid process centers of ossification persists beyond age 12, what is the condition called?
terminal ossicle
What is the gender bias suggested in dorsalization of C7?
female
What C7 facet orientation changes may accompany cervicalization?
the inferior articular facet may change from forward, medial, and downward to forward, lateral, and downward; the superior articular facet is unchanged
What is the gender bias associated with dorsalization of L1?
males are two to three times more affected
What T12 facet orientation changes may accompany lumbarization?
the superior articular facet may change from flat, back, upward, and lateral to concave, back, upward, and medial; the inferior articular facet is unchanged
What is characteristic of lumbarization of S1?
the failure of synostosis between S1 and S2, squaring of the vertebral body of S1 and flaring of the sacral ala
Which segment demonstrates the greatest morphological variation along the spine?
L5
What is the traditional time of appearance of the cervical curve said to be?
during the last trimester in utero
What development events are indicated in the formation of the adult cervical curve?
centers for vision and equilibrium will appear in the brain musculature attaching the skull, cervical region, and upper thorax together develops the head is held upright the intervertebral disc height becomes greater anterior than posterior
What is the name given to the integration of visual and motor pathways associated with holding the head erect?
the righting reflex
What is the location for the cervical kyhosis?
between occiput and C1
What infant activities are associated with the development of the lumbar curve?
crawling and walking