USMLE Step 1 Review 02 18 Anatomy Facial Nerve

USMLE Step 1 Review 02 18 Anatomy Facial Nerve

 

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Let’s continue our USMLE Review with Anatomy from the Gold Standard USMLE Step 1 Audio Review program.

Play USMLE Audio MP3 02 18 Anatomy Facial Nerve Below

 

Begin 02 18 Anatomy Facial Nerve Transcription

Alright, moving ahead with the cranial nerves very quickly here.

In what two ways does CN VII, the facial nerve, participate in digestion?

  • The salivary glands, parasympathetic innervation, and taste.

From where does CN VII, the facial nerve, gather taste sensation?

  • The anterior 2/3 of the tongue.

Now, the nerve fibers carrying taste sensation from the anterior 2/3 of the tongue to CN VII first travel on a branch of CN V.

What is that branch?

  • The lingual nerve.

And then, there’s a branch from the lingual nerve which is a branch of CN VII and what is that?

  • Chorda tympani.

And if you remember, what other fibers of CN VII are carried in chorda tympani? The parasympathetic fibers going to what..?

  • the submandibular and sublingual glands.

****END OF TRANSCRIPTION****

 

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