Notochord

Notochord

graph TB A[Notochord] A --> B[Definition] B --> B1[Flexible rod-shaped body] B --> B2[Present in all chordates] A --> C[Functions] C --> C1[Provides support] C --> C2[Defines the primitive axis] C --> C3[Development of the nervous system] A --> D[Development] D --> D1[From mesoderm] D --> D2[Forms during gastrulation] A --> E[In Humans] E --> E1[Present in early embryonic stages] E --> E2[Replaced by vertebral column]