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Anatomy - Syed > Cranial Nerves Syed > Flashcards

Cranial Nerves Syed Flashcards

1
Q

List the Cranial Nerves

A

Oh Once One Takes The Anatomy Final, Very Good Vacations Are Heavenly

Olfactory Nerve
Optic Nerve
Oculomotor Nerve
Trochlear Nerve
Trigeminal Nerve
Abducens Nerve
Facial Nerve
Vestibulochochlear Nerve
Glossopharyngeal Nerve
Vagus Nerve
Accessory Nerve
Hypoglossal Nerve
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2
Q

Olfactory Nerve

  • List CN
  • List the holes (Foramen)
  • Modality
  • Function
A
  • CN I
  • Cribiriform plate
    Modality - Special Sensory (special afferent)
    Function - Sensation of smell
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3
Q

Optic Nerve

  • List CN
  • List the holes (Foramen)
  • Modality
  • Function
A
  • CN II
  • Optic Canal
    Modality - Special Sensory (special afferent)
    Function - To convey visual information from the retina (vision)
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4
Q

Oculomotor Nerve

  • List CN
  • List the holes (Foramen)
  • Modality
  • Function
  • List synapsing ganglion
A
  • CN III
  • Superior orbital fissure
    Modality 1 - Somatic Motor (General somatic efferent)
  • Supply the levator palebrae to elevate eyelid
  • A lot of eye muscles that move eyeball
    Modality 2 - Visceral motor aka parasympathetic ( General visceral efferent)
  • Makes pupil constrict
    Synapsing ganglion - Ciliary Ganglion
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5
Q

Trochlear Nerve

  • List CN
  • List the holes (Foramen)
  • Modality
  • Function
A
  • CN IV
  • Superior orbital fissure
    Modality - Somatic motor (General somatic efferent)
  • Supply the superior oblique muscle of the eye to move eyeball inferiorly and laterally
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6
Q

Trigeminal Nerve

  • List CN
  • List the holes (Foramen)
  • Modality (on separate slide)
  • Function (on separate slide)
  • List three divisions
A 
- CN V
V1 - Ophthalmic Division of Trigeminal 
- Hole = Superior orbital fissure
V2 - Maxillary Division of Trigeminal
- Hole = Foramen rotundum
V3 - Mandibular Division of Trigeminal
- Hole = Foramen ovale
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7
Q

Abducens Nerve

  • List CN
  • List the holes (Foramen)
  • Modality
  • Function
A
  • CN VI
  • Superior orbital fissure
    Modality - Somatic motor (General somatic efferent)
  • T supply the lateral rectus muscle of the eye - moves the eyeballs outwards
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8
Q

Facial Nerve

  • List CN
  • List the holes (Foramen)
  • Modality
  • Function
  • List synapsing ganglia
A
  • CN VII
  • Internal acoustic meatus
    Modality (four!) - Brachial motor (Special visceral efferent)
  • To supply the stapedius, stylohyoid, posterior belly of digastric muscles, the muscles of facial expressions**, including buccinator, platysma and occipitals muscles
    Visceral Motor (parasympathetic) - For stimulation of the lacrimal, submandibular, and sublingual glands, as well as the mucous membrane of the nose, and hard and soft palates
    General Sensory - stuff in ear
    Special Sensory - For taste from the anterior two-thirds of the tongue and the hard and soft palates
    Synapsing Ganglia - Pterygoplatine ganglia AND Submandibular ganglia
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9
Q

Vestibulochochlear Nerve

  • List CN
  • List the holes (Foramen)
  • Modality
  • Function
A
  • CN VIII
    Internal acoustic meatus
    Modality - Special Sensory (Special afferent)
    Function - Auditory information from the cochlea (impulses)
  • Balance information from the semicircular canals (equilibrium)
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10
Q

Glossopharyngeal Nerve

  • List CN
  • List the holes (Foramen)
  • Modality
  • Function
  • List synapsing ganglia
A
  • CN IX
  • Jugular foramen
    Modality (every fucking one - five!)
    Branchial motor - to supply the striated muscle, the stylopharyngeus
    Visceral motor - to supply the otic ganglion, which sends fibers to stimulate the parotid gland
    Visceral sensory - Carries sensation (subconscious) from the carotid body and from the carotid sinus
    General sensory - Provides general sensation from the posterior one-third of the tongue, the skin of the external ear, and the internal surface of the tympanic membrane
    Special sensory - For taste from the posterior one-third of the tongue
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11
Q

Vagus Nerve

  • List CN
  • List the holes (Foramen)
  • Modality
  • Function
  • List synapsing ganglia
A
  • CN X
    Jugular foramen
    Modality - four of them
    Branchial motor - To striated muscles of the pharynx, tongue, and larynx
    Visceral motor - TO smooth muscle and glands of the pharynx, larynx, and thoracic and abdominal viscera
    Visceral sensory - Nausea. From the larynx, trachea, esophagus, and thoracic and abdominal viscera, stretch receptors in the walls of the aortic arch, chemoreceptors in the aortic bodies adjacent to the arch
    General sensory - Ear and phalynx
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12
Q

Accessory Nerve

  • List CN
  • List the holes (Foramen)
  • Modality
  • Function
A
  • CN XI
    Jugular foramen
    Modality - ASK ABOUT THIS ONE. It says Branchial motor.
    Function - To supply sternomastoid and trapezius
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13
Q

Hypoglossal Nerve

  • List CN
  • List the holes (Foramen)
  • Modality
  • Function
A
  • CN XII
    Hypoglossal canal
    Modality - Somatic motor
    Function - To supply all intrinsic and extrinsic muscles of the tongue EXCEPT the palatoglossus (X)
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14
Q

What are the 8 Foramens for the 12 cranial nerves?

A
  • Cribirform plate (I)
  • Optic canal (II)
  • Superior orbital fissure (III, IV, V(1), VI)
  • Foramen rotundum (V(2))
  • Foramen ovale (V(3))
  • Internal acoustic meatus (VII, VIII)
  • Jugular foramen (IX, X, XI)
  • Hypoglossal canal (XII)
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15
Q

What are the divisions of the CN V Trigeminal Nerve?

A 
V1 - Ophthalmic Division of Trigeminal 
- Hole = Superior orbital fissure
V2 - Maxillary Division of Trigeminal
- Hole = Foramen rotundum
V3 - Mandibular Division of Trigeminal
- Hole = Foramen ovale
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16
Q

What are the terminal branches of each of the Tirgeminal Nerve divisions?

A

V1 - Ophthalmic = Supraorbital nerve
V2 - Maxillary = Infra-orbital nerve
V3 - Mandibular = Mental nerve

17
Q

Trigeminal Nerve CN V1 - Ophthalmic Nerve

  • List the holes (foramen)
  • Modality
  • Function
A

Hole = Superior orbital fissure
Modality - Somatic (general) sensory
Function - Supplies cornea, upper conjunctiva, mucosa of anterosuperior nasal cavity, frontal and ethmoidal sunuses, anterior and suratentorial dura mater, skin of dorm of external nose, superior eyelid, forehead, and scalp
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18
Q

Trigeminal Nerve CN V2 - Maxillary Nerve

  • List the holes (foramen)
  • Modality
  • Function
A
  • Hole = Foramen rotundum
    Modality - Somatic (general) sensory
    Function - Supplies dura mater of anterior part of muddle cranial fossa, conductive of inferior eyelid, mucosa of poster inferior nasal cavity, maxillary sinus, palate and anterior part of superior oral vestibule, maxillary teeth, and skin of lateral external nose, inferior eyelid, anterior cheek, and upper lip
    ADD PICTURE
19
Q

Trigeminal Nerve CN V3 - Mandibular Nerve

  • List the holes (foramen)
  • Modality
  • Function
A
  • Hole = Foramen ovale
    Modality (two) - Somatic (general) sensory AND Somatic (branchial) motor
    Function - Sensory - Anterior two thirds of tongue, floor of mouth, mandibular teeth, skin of lower lIp, temporal regions of face, external ear
    Function - Motor - muscles of mastication, amyloid, anterior belly of digastric, tensor tympani, and tensor veli platini
    ADD PICTURE

Anatomy - Syed (5 decks)

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