Multiple Choice
Which structures are extensions of the pia mater that anchor the spinal cord to the dura mater?
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12. The Central Nervous System
Introduction to the Central Nervous System
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Which is the largest part of the hindbrain?
A
Cerebellum
B
Medulla oblongata
C
Pons
D
Thalamus
Verified step by step guidance1
Step 1: Begin by understanding the anatomy of the hindbrain, which is a part of the brain located at the lower back of the brainstem. It consists of three main structures: the cerebellum, medulla oblongata, and pons.
Step 2: Recall the function and size of each structure. The cerebellum is responsible for motor control, balance, and coordination, and it is the largest structure in the hindbrain. The medulla oblongata controls vital autonomic functions like breathing and heart rate, while the pons acts as a communication bridge between different parts of the brain.
Step 3: Eliminate the incorrect options. The thalamus is not part of the hindbrain; it is part of the forebrain and is involved in sensory relay. Therefore, it can be excluded from consideration.
Step 4: Compare the remaining structures (cerebellum, medulla oblongata, and pons) based on their size. The cerebellum is significantly larger than both the medulla oblongata and the pons.
Step 5: Conclude that the cerebellum is the largest part of the hindbrain based on its size and functional importance.
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