Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove Ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Cranial Nerves

Sources and Destinations of cranial nerves I-XII

Cranial Nerve NumberAfferent SourceMotor destinationParasympathetic destinationNameFunction
IV NA Superior oblique NA Trochlear Eye movement
V Front 2/3 of head, general sensory from anterior 2/3 of tongue masticatory muscles, tensor tympani of middle ear NA Trigeminal Spinal nerve for face, chewing muscles
VI NA Lateral rectus NA Abducens Eye movement
VII External ear, gustatory from anterior 2/3 of tongue facial muscles, stapedius of middle ear submandibular and sublingual salivary glands; lacrimal glands Facial Taste, facial expression
VIII Spiral and vestibular ganglia of inner ear, to cochlear and vestibular nuclei of pons NA NA Vestibulocochlear Vestibular, Auditory
IX External ear, pharynx, sensory and taste from posterior 1/3 of tongue, carotid sinus blood pressure, carotid body CO2-O2 balance Pharyngeal muscles parotid salivary gland Glossopharyngeal Taste, sensory and motor of pharynx
X External ear, taste from epiglottis, thoracic and abdominal viscera, mucous membranes of larynx and pharynx Laryngeal and pharyngeal muscles, thoracic and abdominal viscera Vagus Parasympathetic: breathing, heart rate, respiration, some pharynx and larynx
XI NA Laryngeal muscles, sternocleidomastoid, trapezius NA Accessory Upper back muscles, larynx
XII NA muscles of tongue NA Hypoglossal Tongue muscles
I Olfactory mucosa NA NA Olfactory Smell
II Retina NA NA Optic Vision
III NA Inferior oblique, Medial rectus, Superior rectus, Inferior rectus, levator palpebrae superioris via ciliary ganglion to iris sphincter muscles and lens ciliary muscles Oculomotor Eye movement
Created by: RSussman