Notes from NEET topper
7. Notochord:
- The notochord is a flexible, rod-like structure found in the embryos of chordates. It is typically located along the dorsal (back) side of the organism. In some chordates, such as vertebrates, the notochord is replaced by the vertebral column (spine) during development. The presence of a notochord is a defining characteristic of chordates, which includes animals like fish, amphibians, reptiles, birds, and mammals.
