block 5 lecture 7 examination Flashcards
how is discriminate touch transmitted?
ipsilateral dorsal column
in discriminate touch where are the transmission in the ipsilateral dorsal column in the upper limbs?
fasciculus cuteatus
in discriminate touch where are the transmission in the ipsilateral dorsal column in the lower limbs?
fasciculus gracilis
how is pain an tempeature transmitted?
contralateral spinothalamic tract
what are the four section of the spine?
1.cervical 2.thorax 3.lumbar 4.sacrum and coccyx
what are vertebrae connected by?
fibrous tissue
what joints allow the spine to move?
facet joints
where are the intervertebral discs?
within facet lobes
what does muscle attach to on the spinal cord?
spinal processes
what are he components of vertebra?
vertebral body and arch
what is the function of the vertebral body?
supports weight
what is the function of the vertebral arch?
protection and maintains column during movement
what is the joint for movement of the head and where is it?
atlanta-occipital joint at C1
what is the formation of the articular joint at C1 and C2?
C2 has a peg with sticks up in the bony ring of C1
what does the articular joint between C1 and C2 allow?
allows the head to rotate
what is the peg in the C1 and C2 articular joint called?
odontoid peg
why does the vertebra of the cervical spine have small bodies?
only supporting the weight of the head
what happens to the spinal cord as you go down the spinal cord?
gets thinner
where in the spine is the vertebral artery?
vertebral foramen
on a hospital CT what do you look at?
cervical lines, disc spaces and soft tissue in front of the vertebrae
what are the joints arranged for in the thoracic spine?
flexion and extension
what do the sacrum and coccyx form?
part of the pelvis
where does the spinal cord stop?
L2
what does the spinal cord form at the bottom?
cauda equina and terminal filum
what are the 3 curves of the spine?
cervical lordosis, thoracic kyphosis, lumbar lordosis
what is spinal bifida?
fibrous tissue growing in utero due to incomplete zipping of the neural tube
where is the sciatic nerve?
L5-S2
where is the femoral nerve?
L2-L4
