On the other hand a nerve cord is a solid strand of nervous tissue, forming part of central nervous system, especially of invertebrates. The main difference between the two is that notochord is a part of skeleton system whereas nerve cord is a part of nervous system. The main difference between the two is that notochord is a part of skeleton system whereas nerve cord is a part of nervous system.
0. EXPERT ANSWER. Dorsal nerve cord are the embryonic feature of chordates while ventral nerve cord forms the nervous system of some invertebrates. Nerve chord consists of a notochord, pharyngeal slits and post anal tail. Notochord is the chief distinguishing feature of Chordates, which is a dorsal longitudinally running rod. It lies between the dorsal nerve tube and the gut. It increases locomotory power and internal support.  Best Answer: Notochord is the skeletal rod which lies lengthwise between the central nervous system and the alimentary canal or the gut and the chordates possess it at young stage of development. In adult vertebrates, it is replaced by vertebral column. On the other hand a nerve cord is a solid strand of nervous tissue, forming part of central nervous system, especially of invertebrates. The main difference between the two is that notochord is a part of skeleton system whereas nerve cord is a part of nervous system. Source(s): Shewta · 2 years ago. Thumbs up. 2 The dorsal nerve cord 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. NOTOCHORD-A flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates. NERVE CHORD-there are 2 types of nerve chord, 1  in invertebrates, it refers to the ventral nerve cord, whereas. Making the world better, one answer at a time. 1) The notochord is the defining structure of the phylum Chordata, which includes all vertebrates. In its mature state, the notochord is a rod of large cells constrained by a thick extracellular sheath and positioned between the developing spinal cord and gut. No, the notochord and the nerve cord arise from different germ layers. The notochord is replaced by an ossified backbone, though there are still remnants between the vertebrae … . The nerve cord, however, is protected by the ossified vertebral column. In the vertebrates it becomes part of the backbone. Some chordates do not contain a backbone and keep the notochord intact all their lives. The dorsal nerve cord is part of the central nervous system the runs from the brain down the dorsal area of the animal. The dorsal means it is located at the back of the body. The difference is that the Notochord supports the nerve chord and protects it from getting damaged. The nerve chords control your body's peripherals or your (PNS) connecting it to the central nervous system (CNS) those are the main differences. Best Answer: The dorsal nerve cord is one of the embryonic features unique to chordates, along with a notochord, a post-anal tail, an endostyle, and pharyngeal slits. The dorsal nerve cord 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. Answers. Best Answer: 1) The notochord is the defining structure of the phylum Chordata, which includes all vertebrates. In its mature state, the notochord is a rod of large cells constrained by a thick extracellular sheath and positioned between the developing spinal cord and gut. 
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difference between notochord and nerve cord