Question

what is notochord??​

Answer 1

Answer:

In anatomy, the notochord is a flexible rod formed of a material similar to cartilage. If a species has a notochord at any stage of its life cycle, it is, by definition, a chordate. In vertebrates, the notochord develops into the vertebral column.

[1] 

The notochord lies along the anteroposterior ("head to tail") axis, is usually closer to the dorsal than the ventral surface of the animal, and is composed of cells derived from the mesoderm.

Answer 2

Answer:

Notochord is the flexible rod and it is the primitive beginning of the backbone.

★ Additional Information :

• Notochord is the flexible and elastic rod.
• The notochord develops into the vertebral column.
• Notochord is the defining structure of the chordates.
• Notochords are only found in the phylum chordata.
• It had essential roles in vertebrate development.
• The main function of notochord is to support body.