Ch.30 vocab

Question 1

Bundle of nerve roots from the lumbar, sacral, and coccygeal nerves that descend nearly vertically from the spinal cord until they reach their respective openings in the vertebral column

Answer 1

Cauda equina

Question 2

the caudal end of the spinal cord

Answer 2

Conus medullaris

Question 3

a congenital fissure of the spinal cord, frequently associated with spina bifida cystica

Answer 3

Diastematomyelia

Question 4

describes anomalies associated with incomplete embryologic development

Answer 4

dysraphic

Question 5

slender tapering terminal section of the spinal cord

Answer 5

filum terminale

Question 6

dilitation of the central canal of the spinal cord

Answer 6

Hydromyelia

Question 7

common benign tumor composed of fat cells

Answer 7

lipoma

Question 8

protrusion of the meninges through a gap in the spine, the skin covering being vestigial

Answer 8

Meningocele

Question 9

the spinal cord and nerve roots are exposed, often adhering to the fine membrane the overlies them

Answer 9

Myelomeningocele (meningomyelocele)

Question 10

cleft spinal cord resulting from failure of the neural tube to close

Answer 10

Myeloschisis

Question 11

Open (non skin covered lesions) neural tube defects, such as myelomeningocele and meningocele

Answer 11

Spina bifida aperta

Question 12

Closed (skin covered lesions) neural tube defects such as spinal lipoma and tethered cord

Answer 12

Spina bifida occulta

Question 13

Fixed spinal cord that is positioned in an abnormal position

Answer 13

Tethered cord