middle meninx; web-like
tough, outer meninx
space filled w/ adipose tissue
contains cerebrospinal fluid
extension of pia mater attaching to dura
contains neuron cell bodies and unmyelinated processes
posterior median sulcus
shallow groove on dorsal side
connects right and left halves of gray matter in spinal cord
posterior (dorsal) root
sensory branch of spinal nerve exiting spinal cord
tapered end of spinal cord
anterior (ventral) root
motor branch of spinal nerve exiting spinial cord
posterior (dorsal) root ganglion
contains sensory neurons
collection of spinal nerves that arise from inferior end of spinal cord
contains myelinated axons
anterior (ventral) gray horns
contains somatic motor neuron cell bodies
space in center of spinal cord that contains cerevrospinal fluid
bulge in spinal cord containing cell bodies of motor neurons supplying upper limb
anterior median fissure
wide, deep groove on ventral side
extension of pia mater that attached spinal cord coccyx
bulge in spinal cord at t9-t12
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