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The firm flexible rod found in the dorsal area in chordates?
The firm flexible rod found in the dorsal area of chordates is called the notochord. It provides support and structure to the body, and is present during early development in all chordates. In most vertebrates, including humans, the notochord is eventually replaced by the vertebral column.
Difference between notochord and vertebral coloum?
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. Turgor pressure generated by notochord cells exerted against the sheath gives the notochord stiffness, imparting the mechanical properties required for one of its main functions as the central axial skeletal element of the developing embryo. 2) The notochord exists transiently during the life of most vertebrates. During its short life, however, the notochord plays another critical role for developing embryos,.producing a variety of secreted growth factors, such as Sonic hedgehog, which instruct surrounding tissues to acquire particular differentiated fates. A number of embryological experiments, for example, tell us that, without notochord-derived signals, motorneurons in the spinal cord would not form, the pancreas insulin-producing cell would not differentiate, and the body muscles would not be produced properly. Without the axial skeletal support of the notochord, many lower vertebrate larvae, such as fish fry and tadpoles, become severely shortened and cannot swim or feed properly. Thus many of the mutations affecting zebrafish notochord development are named after the seven dwarves.
What are the main functions for chlorine in your body?
What is the main function for sulfur
In chordates the long supporting rod that runs through the body is called?
The long supporting rod that runs through the body of chordates is called the notochord. It provides structural support and helps with body movement. In some species, the notochord is replaced by the vertebral column during development.
What is the main function of the cementum?
One function of the dentine is to protect the pulp. :)
What are the main function of notochord?
http://sprojects.mmi.mcgill.ca/embryology/earlydev/week3/notochord.html
Why is a notochord important to vertebrates?
Notochords are important to vertebrates because it forms the main support of the body. A notochord is a flexible rod-like structure.
What are the function of the backbone?
Provide structure and strength for locomotion and protection for the notochord/spinal cord.
Is an animal with a backbone and gills but no notochord still a chordate?
The notochord is a flexible rod found in the embryos of all chordates, and is replaced later in life by the vertebral column and the main axial support of the body. If the animal you are referring to is an adult and lacking a "true notochord", it is still a chordate because the notochord has simply transformed into other parts of the body. However, if it is still an embryo and STILL has no notochord, it is not a true chordate.
All chordates have a supportive rod along their back called the?
notochord
What is the Difference between a vertebrate and a notochord?
A notochord is a long, solid chord of solid protein. A vertebrate is a creature that has a vertebra column. A vertebra is short, solid segment of bone. A series of vertebra make a vertebra column or a back bone. Both serve the same function but the back bone is a more complex version.
Do cats exhibit a notochord at some stage of its development?
You did. Your backbone formed on the notochord. There are some fish, the lamprey, I think, that retain a notochord, These animals are chordates but not vertebrates.
What is the function of main engine?
Main propulsion is the function of the marine main engine.
At some stage of their development all chordates have a supportive rod along their back called the?
Notochord
The notochord is a characteristic of?
The notochord is a characteristic of the 9th & 10th division of the kingdom animalia ,i.e., Protochordata and Vertebra
As the embryo develops only jawless fish retain the notochord What does this indicate about the evolution of vertebrates?
The fact that jawless fish retain the notochord during development suggests that jawed vertebrates have evolved to develop without the notochord. This indicates that the notochord is an ancestral characteristic that has been lost or modified in the evolutionary lineage leading to jawed vertebrates.
What is the main function of Grimsby?
THE main function of grimpsy is a port
