Gross anatomy of the brain and cranial nerves pdf

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gross anatomy of the brain and cranial nerves pdf

5. The Brain and the Cranial Nerves - UCLA - Ebooks and Edocuments Library

The names of the cranial nerves relate to their function and they are also numerically identified in roman numerals I-XII. There are twelve cranial nerves in total. Figure 1 — The location of the cranial nerves on the cerebrum and brainstem. Figure 2 — Superior view of the skull base showing the foramina and which cranial nerves pass through them. They are the only cranial nerves to pass through canals. See table 1 for a summary of the cranial nerves, their modalities and functions. Prosection 1 — The base of the cerebrum, demonstrating the origin of the cranial nerves.
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Nervous System: Brain & Cranial Nerves

Gross Anatomy of the Brain

The accessory nerve is a cranial nerve that supplies the sternocleidomastoid and trapezius muscles. It is considered as the eleventh of twelve pairs of cranial nerves, or simply cranial nerve XI , as part of it was formerly believed to originate in the brain. The sternocleidomastoid muscle tilts and rotates the head, while the trapezius muscle, connecting to the scapula , acts to shrug the shoulder. Traditional descriptions of the accessory nerve divide it into a spinal part and a cranial part. Strength testing of these muscles can be measured during a neurological examination to assess function of the spinal accessory nerve. Poor strength or limited movement are suggestive of damage, which can result from a variety of causes. Injury to the spinal accessory nerve is most commonly caused by medical procedures that involve the head and neck.

File does not open? Refresh this page The Brain and the Cranial Nerves Full dissection of the brain is beyond the scope of this manual. We will, however, note Other related documents 5. Which of the following statements concerning the brainstem is true?

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4 COMMENTS

  1. Aimé R. says:

    Accessory nerve - Wikipedia

  2. Kenia W. says:

    The Human Nervous System pp Cite as.

  3. Mercer C. says:

    Rapid Review of the Nervous System

  4. Yolande P. says:

    If your institution subscribes to this resource, and you don't have a MyAccess Profile, please contact your library's reference desk for information on how to gain access to this resource from off-campus.

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