Term
| Which CN's attactch to the forebrain? |
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Definition
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Term
| Which CN's attach medially to the brainstem? |
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Definition
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Term
| Which cranial nerves attatch laterally to the brainstem? |
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Definition
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Term
| Which cranial nerve attatches partially to the spinal chord? |
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Definition
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Term
| Do cranial nerve reflexes bypass the thalamus? |
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Definition
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Term
| What are the 3 special sensory CN's? |
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Definition
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Term
| What are the 5 motor CN's? |
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Definition
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Term
| What are the 4 mixed cranial nerves? |
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Definition
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Term
| Which CN,s carry parasympathetic fibres? |
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Definition
| 3(pupil control) 7(glands of the head) 9(parotid gland) 10(viscera) |
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Term
| What are the afferent and efferent CN's in the corneal reflex in response to a physical stimulus? |
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Definition
| The opthalmic branch of CN5- the temporal and zygomatic branches of CN7 |
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Term
| What are the afferent and efferent CN's in the corneal reflex in response to a light stimulus? |
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Definition
| CN1-the temporal and zygomatic branches of CN7 |
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Term
| What are the afferent and efferent CN's in the lacrimal reflex ? |
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Definition
| The opthalmic branch of CN5-Facial nerve(v complex) |
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Term
| What are the afferent and efferent CN's in the stapedius reflex ? |
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Definition
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Term
| What are the afferent and efferent CN's in the salivary reflex ? |
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Definition
| CN1-CN7(submandibular and sub mental) and CN9(parotid) |
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Term
| What are the afferent and efferent CN's in the Pupillary reflex ? |
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Definition
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Term
| What are the afferent and efferent CN's in the accomodation reflex? |
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Definition
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Term
| What are the afferent and efferent CN's in the jaw jerk reflex? |
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Definition
| Cn5(mandibular branch)-Cn5(mandibular branch) |
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Term
| What are the afferent and effer CN's in the jaw opening reflex? |
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Definition
| Cn5(mandibular branch)-Cn5(mandibular branch) |
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Term
| What are the afferent and effer CN's in the gag reflex? |
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Definition
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Term
| What are the functions of the occulomotor nerve? |
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Definition
| Parasympatheric control of ciliary muscle and sphincter pupillae. Motor control to all the muscles of the orbit except the lateral rectus and superior obliqe. |
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Term
| What nuclei do the parasympathetic fibres that run with CN3 and control the pupil and ciliary muscle originate from? |
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Definition
| The edinger westphal nucleus in the midbrain |
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Term
| What nuclei do the alpha motor neurones in CN3 originate from? |
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Definition
| 3 motor neurone in the superior colliculus |
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Term
| Which cranial nerves decusate before their target? |
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Definition
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Term
| What is the function of the trochlear nerve? |
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Definition
| Control of the superior oblique muscle of the eye |
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Term
| Where does CN 4 originate from? |
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Definition
| Just below the inferior colliculus |
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Term
| What are the motor functions of CN5?Which muscles are innervated? |
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Definition
| Control muscles of mastication,tensor veli palatinin, mylohyoid, anterior belly of digastric and tensor tympani |
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Term
| Which areas do the sensory fibres of CN5 innervate? |
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Definition
| Skin of face, mucous membranes of mouth nose and sinuses, TMJ and teeth |
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Term
| At what brainstem nucleus do pain,temp,pressure sensations from the CN's synapse? Where is it located? |
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Definition
| Spinal v nucleus in the pons |
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Term
| What is the function of the mesencephalic nucleus? |
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Definition
| Recieves proprioception from CN5 |
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Term
| What is the function of the chief sensory nucles? |
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Definition
| Recieves fine touch fromt CN5 |
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Term
| What is name and function of CN6? |
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Definition
| Abducens. It is a motor nerve controlling the lateral rectus muscle |
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Term
| What are the motor function of CN7? |
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Definition
| Control of muscles of facial expression(also parasympathetic functions) and muscles of the middle ear |
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Term
| What elements are controlled parasympathetically by CN7? |
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Definition
| The submandibular sublingual, nose and oral cavity |
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Term
| What is the sensory function of CN7? |
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Definition
| Taste from the anterior 2/3rd of the tongue |
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Term
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Definition
a-olfactory bulb
b-olfactory nerve
c-abducens nerve
d-nervus intermedius
e-CN9
f-Cn10
g-Olive
h-ventral roots of first cervical nerve
i-pyramid
j-accesory nerve
k-Cn12
l-CN8
m-Cn7
n-Cn5
o-Cn4
p-Cn5
q-Cn2
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Term
| At what nucleus do nerves carrying taste sensation synapse and where is it located? Which CN's synapse here and where dot they carry taste from? |
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Definition
| The gustatory portion of the solitary nucleus in the medulla. CN7 (anterior 2/3rds of tongue) Cn9(post 1/3 of tongue) and cn10(epiglottis) |
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Term
| What synapses at the superior salivatory nucleus? where is it located? |
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Definition
| Parasympathetic fibres which innervate the submandibular and sublingual glands and the glands of the oral and nasal cavities. Pons |
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Term
| What is the name and function of CN8? |
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Definition
| Vestibulocochlear. Carries hearing and vestibular sensation from the ear. |
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Term
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Definition
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Term
| What are the motor function of CN 9? Where doe the MN's synapse? |
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Definition
| Stylopharyngeus. At the nucleus ambiguus |
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Term
| Which neve innervates the parotid gland? Which nucleus do this synapse at and where is it located? |
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Definition
| CN9. Inf salivary nuc in medulla |
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Term
| What are the sensory functions of CN9? |
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Definition
| Sensation from tonsils upper pharynx middle ear and post third of the tongue. Taste from posterior 3rd of the tongue. Visceral sensation from the carotid bodies and sinus |
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Term
| Which nerve innervates the carotid bodies and sinus, at which nucleus does it synapse? |
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Definition
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Term
| What are the motor functions of the vagus? |
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Definition
| Control of palate, pharynx,larynx and upper oesophagus, and palatoglossus and cricotthyroid. |
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Term
| Which nerve controls parasympathetic supply to the thorax and abdomen? Where is its nucleus |
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Definition
| vagus. Dorsal nucleus of vagus in the medulla |
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Term
| What are the sensory fuctions of the vagus nerve? |
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Definition
| Sensation from lower pharynx, larynx, external ear, and tympanic membrane. Sensation from internal organs and aortic sinuses. Taste from the epiglottis |
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Term
| What is the function of the solitary nucleus? |
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Definition
| Contains a gustatory portion which recieves taste from CN7(ant 2/3 of tongue) CN9(post third) and CN 10 (epiglottis). Also recieves visceral information from chemoreceptors and baroreceptors in the carotid sinuses(CN9) and aortic bodies (CN10) |
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Term
| What is the function of CN11? |
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Definition
| Has a spinal and cranial component. The cranial part is efefctivly a component of CNX, the spinal part provides motor to trapezius and SCM muscles |
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Term
| What is the function of Cn 12? |
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Definition
| Motor to the tongue muscles |
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