Multiple Choice
Which part of the limbic system of the brain is most involved in emotions?
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12. The Central Nervous System
Introduction to the Central Nervous System
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The medulla oblongata develops from which of the following embryonic brain regions?
A
Mesencephalon
B
Diencephalon
C
Metencephalon
D
Myelencephalon
Verified step by step guidance1
Begin by understanding the basic structure of the embryonic brain. The brain develops from three primary vesicles: the prosencephalon (forebrain), mesencephalon (midbrain), and rhombencephalon (hindbrain).
The rhombencephalon further divides into two secondary brain vesicles: the metencephalon and the myelencephalon.
The metencephalon gives rise to structures such as the pons and cerebellum.
The myelencephalon develops into the medulla oblongata, which is responsible for autonomic functions such as breathing and heart rate.
Therefore, the medulla oblongata originates from the myelencephalon, which is a subdivision of the rhombencephalon.
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