Spinal Cord and Spinal Nerves Lecture Flashcards
Terminology
What are the 5 regions of the spinal cord?
Cervical, Thoracic, Lumbar, Sacral, Coccygeal
Where are there sacral vertebrae?
There are no such vertebrae
The tapering end of the spinal cord is known as the?
Conus medullaris
Where is the conus medullaris in adults and in infants?
In adults: L1
In babies: L2
What is the name of nerves that arise from the conus medullaris and extend inferiorly?
Cauda Equina
What is composed of Pia Matter and extends from the conus medullaris to the coccyx?
Filum Terminale
T12-L1
The Sacral Region
Largest Portion of White Matter and Smallest portion of gray matter?
Largest White Matter: Cervical Region
Smallest Gray Matter:
Sacral Region
Cervical Enlargement
Contains neurons that innervate the upper limbs.
Lumbosacral Enlargement
Contains neurons that innervate the lower limbs.