Anatomy in Neuro Flashcards
which horn do motor/sensory axons pass through
motor - anterior
sensory - posterior
what is a dermatome
area of skin supplied by anterior/posterior rami of that spinal nerve
what is a myotome
skeletal muscles supplied with motor innervation by anterior/posterior rami of that spinal nerve
which spinal nerves responsible for sympathetic outflow
T1-L2
parasympathetic outflow
CN 3/7/9/10 and sacral plexus
extrinsic back muscles
trapezius
lattissimus dorsi
levator scapulae
rhomboid major and minor
intrinsic back muscles
erector spinae (iliocostalis, longissimus, spinalis) transversospinalis
muscles responsible for back flexion and extension
flexion - psoas major and rectus abdominis
extension - intrinsics
ligaments of the back
ligamentum flavum posterior longitudinal ligament anterior longitudinal ligament supraspinous ligament interspinous ligament
where does CSF join the venous system
superior sagittal sinus
meninges
dura
arachnoid
pia
level for LP
L3/4
reflexes
- biceps
- triceps
- brachoradialis
- knee
- ankle
biceps C5 triceps C7 brachoradialis C6 knee L4 ankle S1
