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nerve cord
It is a bundle of nerve fibers (technically called axons).
a tract is a bundle or group of nerve fibers located within the brain or spinal cord
The position of the worms nerve cord compare with your nerve cord is it placement along the ventral surface of the body. Our spinal cord is protected by vertebra were the worms is unprotected.
there is not a ventral nerve cord
In crayfish, the nerve cord is located ventrally (on the belly side) and consists of a series of ganglia linked by nerve fibers, forming a ladder-like structure. In contrast, humans have a dorsal nerve cord, which is part of the central nervous system, encased within the vertebral column. This structural difference reflects the distinct evolutionary adaptations and body plans of these two groups of animals.
an earthworm's nerve cord is directly opposite that of a human's. the earthworm's nerve cord is along the ventral side (underside) of its body and the human's nerve cord is on the dorsal side (upperside) of the body along all of the internal organs
Yes
Yes, chordate's nerve cord is hollow as opposed to animals that are non chordate with a nerve cord which are solid.
A dorsal, hollow nerve cord.
The spinal nerve passes through the intervertebral foramen, which is a small opening formed by two adjacent vertebrae in the spine. The spinal nerve carries sensory and motor information between the spinal cord and the rest of the body.
The brain is attached to a Nerve Cord which runs through the entire body.