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Spinal Tracts:

Spinal Nerves:

How many pairs of spinal nerves? 31 pairs (31 avors of BaskinRobbins ice cream)

Breakown of spinal nerves:!cervical!t"oracic!l#mbar!sacral!coccy$eal

!% cervical!1& t"oracic!' l#mbar!' sacral!1 coccy$eal

"ere oes 1!* e+it? !,bove t"e corresponin$ vertebra"ere oes % e+it? !Below * an above T1

"ere o all t"e ot"er nerves e+it? !-+it below

"at is vertebral isc "erniation? .#cle#s p#lpos#s (soft central isc)

"erniates t"ro#$" ann#l#s /bros#s(o#ter rin$)

"ere o vertebral isc "erniations#s#ally occ#r?

!0osterolaterally at 2!' or '!S1

Spinal or!ower -+tent:n a#lts4 w"ere oes t"e spinal core+tent to?

 To lower borer of 1!& vertebrae

"ere is S5 containe? n t"e s#barac"noi space6"ere oes t"e s#barac"noie+ten to

 T"e lower borer of S& vertebra

"ere is l#mbar p#nct#re

performe?

!Between 3!2 or 2!' (level of

ca#a e7#ine)"at is t"e $oal of l#mbar p#nct#re To obtain sample of S5 wit"o#t

am$in$ spinal cor8nemonic for l#mbar p#nct#re 9To keep t"e cor alive4 keep t"e

spinal neele between 3 an '6Spinal or an ,ssociate tracts:"at are t"e two lateral tracts? ateral corticspinal an lateral

spinot"alamic"at are t"e lateral tractsassociate wit"?

#mbosacral! e$s9e$s (#mbosacral) are ateral inateral corticospinal anspinot"alamic tracts

How is t"e orsal col#mn or$ani;e? <r$ani;e like "#man boy! armso#tsie4 le$s insie

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