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The dorsal nerve cord is one of the embryonic features unique to chordates, along with a notochord, a post-anal tail and pharyngeal slits. It is a hollow cord dorsal to the notochord. It is formed from a part of the ectoderm that rolls, forming the hollow tube, compared to other animal phyla, which have solid, ventral tubes. The dorsal nerve cord is later modified into the brain and spinal cord. Dorsal nerve cord is mainly found in phylum Vertebrata.
Dorsal means the "back" side, as opposed to the belly side (ventral).
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What type of nerve cord do all chordates possess?
A dorsal, hollow nerve cord.
What is a hollow nerve cord?
The dorsal nerve cord is one of the embryonic features unique to chordates, along with a notochord, a post-anal tail and pharyngeal slits. It is a hollow cord dorsal to the notochord. It is formed from a part of the ectoderm that rolls, forming the hollow tube, compared to other animal phyla, which have solid, ventral tubes. The dorsal nerve cord is later modified into the brain and spinal cord. Dorsal nerve cord is mainly found in phylum Vertebrata. Dorsal means the "back" side, as opposed to the belly side (ventral).
Does a kangaroo have a dorsal nerve cord notochord?
Yes
What are the four body parts of all chordates?
Notochord, Postanal Tail, Pharyngeal Slits, Dorsal hollow nerve cord
Cavity enclosing the nerve cord?
Dorsal hollow nerve cord in some invertebrates (like chordates) or vertebrates.
What is a hallow nerve cord?
A dorsol hollow nerve cord is a major phylum in the Kingdom Animalia. A chordate is characterized by the presence of a dorsal notochord at some stage of development.
Do frogs have a dorsal nerve cord?
Features are a hollow nerve cord in the dorsalside of the body; ... Larger sharks have been said to exist, but at the moment have not been documented
Do dolphins have a dorsal nerve cord?
Yes, dolphins have a dorsal nerve cord. The dorsal nerve cord is an embryonic feature unique to chordates. Is it hollow and most mammals have one.
What does a dorsal nerve cord do?
Dorsal means pertaining to the back, so a dorsal nerve cord is essentially a spinal cord; it's the never cord in the back. It connects the brain to all of the body below the head.
Does a kangaroo have a dorsal nerve cord?
Yes. Kangaroos, like humans, are vertebrates, which are a subset of chordates (having a dorsal nerve cord).
What organisms have pharyngeal gill slits and a dorsal hollow nerve cord at some time in their development?
Organisms that have pharyngeal gill slits and a dorsal hollow nerve cord at some point in their development include chordates, such as fish, amphibians, reptiles, birds, and mammals. These features are key characteristics of chordates during their embryonic stages.
Does bullfrog have a dorsal nerve cord?
Yes.
