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Planarians are bilaterally symmetric worms that possess almost unlimited regenerative capacities. The ventral nerve cords are located in the segment (brains) of the worm.
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How is the nervous system of a roundworm?
The nervous system of a roundworm is very simple. Ventral and dorsal nerve cords run through the roundworm's entire body. These cords come from the nervous tissue ring around its pharynx.
What is the function of the ventral nerve cord in an earthworm?
The ventral nerve cord makes up nearly all of the nervous system in the earthworm. It goes from the anterior (front) end to the posterior (back) end. It's function is simple; it's the nerves in the worm! If dissected, the nerve cord looks like a thin white line on the ventral (belly) side on the inside of the skin.
What are the parts of earthworms nervous system?
An earthworm has a paired brain attach to it nerve cord, that flows to its ganglia. The Clitellum ( the ring or band on the worm) is were the worm senses things. An earthworm can also not feel pain.
What is the function of an anterior ganglia in a planarian?
The ganglia is a concentration of nerves, analogous to the brain, best used for coordination.
What color are planaria?
Planarian is a regenerating non-parasitic flatworm. Most planarian are striped or lined and some of the large type has bright colors.
Where do the small nerves go when they branch from a ganglion of the ventral nerve cord on an earthworm?
The ventral nerve cord runs throughout an earthworm's body. When they start to branch from ganglion the nerve cords are still present throughout the segments.
What does the ventral nerve cord do in a earthworm?
there is not a ventral nerve cord
How is the nervous system of a roundworm?
The nervous system of a roundworm is very simple. Ventral and dorsal nerve cords run through the roundworm's entire body. These cords come from the nervous tissue ring around its pharynx.
Are the ventral nerve cord and ventral blood vessel connected?
no
Are the ventral nerve cord and the ventral blood vessel connected?
no
What does the ventral root of a spinal nerve do?
the ventral root carries motor response
What organisms have a ventral nerve cord?
A ventral nerve cord can be found in on the bottom (or lay on the bottom) of the organisms, such as grasshoppers and earthworms. Hope this helps! - AJ
Dorsal and ventral nerves of each spinal nerve unite to form what?
spinal nerve
What would be the result of damage to ventral root of a spinal nerve?
Would lead to loss of both sensory & motor function. Ventral ramus is the anterior division of a spinal nerve.
What type of nerve fibers are found in the ventral ramus of a spinal nerve?
Both sensory and motor
Does the brain attach to the ventral nerve cord of a worm?
yes!
The motor root of the spinal nerve is also referred to as the?
ventral root
