Flashcards in Spinal Cord Deck (22):
What areas of spinal cord have large VENTRAL horns?
Cervical and lumbar enlargements (C3-T1, L1-S3)
As large motor output to limbs (cervical - hands, lumbar- feet)
What region of SC has a significant lateral horn?
What type of neurones are found in the lateral horn?
How many spinal nerves (pairs) are there?
The spinal cord extends from the____ to the ____?
1st/2nd lumbar vertebrae
Lamina I of the dorsal horn is the?
Nucleus posteromarginalis (posterior marginalis)
Lamina II of the dorsal horn is?
And has a key role in ?
Laminae III, IV and V of dorsal horn are the?
Lamina 7 of the intermediate horn is the?
Lamina IX of the ventral horn is the ?
(Moor neurones for trunk and neck located medically, for limbs locate laterally)
Laminae 1-6 of SC are involved in?
Which laminae surround a central canal?
What's the outer layer of the meninges?
Which layer of meninges adheres to spinal cord?
Sympathetic preganglionic neurones (visceral motor output) are in the lateral horns of which spinal regions?
Thoracic an lumbar
Parasympathetic preganglionic neurones (visceral motor output) lie in the lateral horns of which spinal segments?
And what other brain region?
Brainstem (medulla) - cranial nerves
Sympathetic ganglia are close to?
White matter of SC dives into which 3 regions?
Posterior, lateral and anterior funiculus
Posterior funiculus is also known as ______ and contains which ascending tracts?
Gracile and cuneate fasciculi
(G - lower body, C - upper body)
The anterolateral regions of SC contain which tract?
(Pain and temperature)
Syringomyelia is due to?
And results in?
Expansion of spinal canal
Bilateral loss of temperature and pain sensation