Which of the following is NOT part of the brainstem?[Fill in the blank]

Question

BlackTom AI · Accepted Answer

To approach the question, I will evaluate each option in relation to the anatomy of the brainstem and nearby structures.
Option a: Pons. The pons is a major component of the brainstem (specifically the brainstem's ventral portion, connecting the midbrain to the medulla). It houses parts of the pathways and several cranial nerve nuclei, so this is indeed part of the brainstem.
Option b: Midbrain. The midbrain (mesencephalon) is the superior portion of the brainstem, containing important structures like the cerebral peduncles and the superior and inferior colliculi, as well as cranial nerve nuclei. Therefore, this is part of the brainstem.
Option c: Medulla oblongata. The medulla oblongata is the lower portion of the brainstem, continuing into the spinal cord, and contains vital autonomic centers and cranial nerve nuclei. Hence, this is part of the brainstem.
Option d: Cranial nerves. Several cranial nerves emerge from or originate in the brainstem (e.g., CN III–XII in various regions). While the cranial nerves themselves extend beyond the brainstem, their nuclei and origins are intimately associated with the brainstem, so this is considered part of brainstem-related structures.
Option e: Cerebellum. The cerebellum is a separate structure located posterior to the brainstem and connected to it by the cerebellar peduncles. It is not considered part of the brainstem itself.
Thus, among the options, the structure that is not part of the brainstem is the cerebellum. The other options correspond to components or associated elements of the brainstem, whereas the cerebellum sits posteriorly and functions in coordination rather than being a brainstem component.

Which of the following is NOT part of the brainstem?[Fill in the blank]单项选择题

类似问题

Question at position 15 What is the name of the large bundle of axons that connects the two halves of the brain?angular gyrusbasal gangliacingulate gyruscorpus callosum

Which of the following best describes the function of the hypothalamus?[Fill in the blank]

Where is the somatosensory cortex, which maps sensory input from the skin?

The white matter in the cerebral cortex contains cell bodies of neurons

Question at position 19 What is the cerebral cortex?The entire brain and the spinal cordThe outer surface of the brainThe entire brainThe interior of the brain

Question at position 17 What is the corpus callosum? A branch of the parasympathetic nervous systemOne of the muscles that control the mouth and tongueA set of axons connecting the hemispheres of the brainA brain area important for the production of speech

Question at position 10 The brain’s two hemispheres communicate by means of which of these?Sympathetic nervous systemParasympathetic nervous systemCorpus callosumVagus nerve

All of the following are true about Ramon y Cajal EXCEPT:

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单