"filum terminale internum: upper three quarters of the filum; covered by the spinal dura and arachnoid meninges; about 62.5% of filum terminale internum and the dural sac terminates at or below S1/S2 disc space while 11.3% terminates above S1 4."
"filum terminale externum: lower quarter of the filum; fuses with the investing dura mater and continues inferiorly to attach to the dorsal coccyx; it contains all three layers of meninges, also known as coccygeal ligament 5."
"filum terminale internum: upper three quarters of the filum; covered by the spinal dura and arachnoid meninges; about 62.5% of filum terminale internum and the dural sac terminates at or below S1/S2 disc space while 11.3% terminates above S1 4."
"filum terminale externum: lower quarter of the filum; fuses with the investing dura mater and continues inferiorly to attach to the dorsal coccyx; it contains all three layers of meninges, also known as coccygeal ligament 5."
"filum terminale internum: upper three quarters of the filum; covered by the spinal dura and arachnoid meninges; about 62.5% of filum terminale internum and the dural sac terminates at or below S1/S2 disc space while 11.3% terminates above S1 4."
"filum terminale internum: upper three quarters of the filum; covered by the spinal dura and arachnoid meninges; about 62.5% of filum terminale internum and the dural sac terminates at or below S1/S2 disc space while 11.3% terminates above S1 4."
"filum terminale externum: lower quarter of the filum; fuses with the investing dura mater and continues inferiorly to attach to the dorsal coccyx; it contains all three layers of meninges, also known as coccygeal ligament 5."
"filum terminale externum: lower quarter of the filum; fuses with the investing dura mater and continues inferiorly to attach to the dorsal coccyx; it contains all three layers of meninges, also known as coccygeal ligament 5."