IntroNS Practice Exam 2026 - Free Practice Questions and Study Guide

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The medulla oblongata develops from which part of the hindbrain?

Rostral/anterior hindbrain

Caudal/posterior hindbrain (myelencephalon)

The medulla oblongata comes from the caudal, or posterior, part of the hindbrain—the myelencephalon. In early development the hindbrain (rhombencephalon) splits into two regions: the metencephalon, which forms the pons and cerebellum, and the myelencephalon, which forms the medulla. The midbrain and forebrain come from other primary brain vesicles (mesencephalon and prosencephalon), not from this caudal hindbrain portion.

Midbrain

Forebrain

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