Each spinal nerve has a tree-like branching pattern that begins with two “roots”, a (1) ____ with a ganglion, and a (2)____ without a ganglion. Both roots merge to form the (3) ____ itself, which is named based on the vertebra it is associated with (for example, T1 for the first thoracic vertebra or L2 for the second lumbar vertebra). The spinal nerve then splits into three “branches”, the (4) ____ , which carries neurons to and from the back, the (5) ____ , which carries neurons to and from the body wall and limbs, and the (6)____ , which carries neurons to and from internal organs. Each ramus continues to split into additional branches that are given unique names, and these branches may form interwoven networks called (7)____.
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Each spinal nerve has a tree-like branching pattern that begins with two “roots”, a (1) ____ with a ganglion, and a (2)____ without a ganglion. Both roots merge to form the (3) ____ itself, which is named based on the vertebra it is associated with (for example, T1 for the first thoracic vertebra or L2 for the second lumbar vertebra). The spinal nerve then splits into three “branches”, the (4) ____ , which carries neurons to and from the back, the (5) ____ , which carries neurons to and from the body wall and limbs, and the (6)____ , which carries neurons to and from internal organs. Each ramus continues to split into additional branches that are given unique names, and these branches may form interwoven networks called (7)____.
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