The notochord induces the overlying ectoderm to form the neural plate. This process is specifically termed:

• A Neural induction ✓
• B Gastrulation
• C Primary neurulation
• D Secondary neurulation

Explanation

Neural induction refers to the process by which the notochord (primary inductor or organizer) releases signaling molecules (including BMP inhibitors such as Chordin, Noggin, and Follistatin) that cause the overlying dorsal ectoderm to differentiate into neuroectoderm (neural plate). This is the foundational step in CNS development, occurring at approximately the third week of embryogenesis. Primary neurulation is the subsequent process of neural plate folding and closure.

Reference: BD Chaurasia's Human Anatomy, 8th ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

Written and medically reviewed by the StethoPrep medical team.