BI2432: Fundamental Neuroscience - Spinal Cord

These flashcards cover key concepts regarding the spinal cord, its structure, functions, and related clinical information.

Each segment of the spinal cord gives rise to a pair of _________.

spinal nerves

The spinal cord contains ________ pairs of spinal nerves.

30

C1 spinal nerves contain ________ axons only.

motor

The spinal cord is protected within the ________ column.

vertebral

C1 vertebra is associated with ________ pairs of spinal nerves.

2

The dorsal root carries ________ axons.

sensory

The ________ space contains CSF and small blood vessels.

subarachnoid

The spinal cord ends at the vertebral level ________ / ________.

L1 / L2

The ________ enlarges gives rise to lumbar and sacral spinal nerves.

lumbosacral

The ________ terminale anchors the spinal cord to the coccyx.

filum

The ________ rootlets form the roots which then form the nerves.

dorsal

Pain, temperature, itch, and simple touch are transmitted via the ________ tract.

Spinothalamic

The ________ column pathway is responsible for discriminative touch and conscious proprioception.

Dorsal

The ________ pathway includes the lateral and anterior corticospinal tracts.

Pyramidal motor

C3 spinal nerve primarily controls ________ function.

diaphragm (breathing)

The ratio of white to grey matter alters along the ________ axis.

rostrocaudal

Lamina I contains nociceptive DRG sensory neurons and interneurons relaying ________ information.

pain

Sympathetic innervation to the upper limbs originates in the spinal cord segments ________ to _________.

T1 to T12

C5 spinal nerve is associated with the ________ muscle.

deltoid

Spinal cord lesions can affect ________ function and ________ motor function.

somatic; autonomic