Cranial Nerve Summaries (p 162-166) Flashcards Preview

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Flashcards in Cranial Nerve Summaries (p 162-166) Deck (40):
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I Olfaction
Primary Sensory Neuron Cell Body Location - Secondary... - Function

Olfactory Mucosa (olfactory bipolar neuron) - Olfactory Bulb (mitral cell)- Smell Special Sensory

1

II Optic
Primary Sensory Neuron Cell Body Location - Secondary... - Function

Inner nuclear lamina of retina (bipolar neuron) - Ganglion lamina of Retina (ganglion cell) - Vision Special Sensory

2

III Oculomotor
Primary Sensory Neuron Cell Body Location - Secondary ... - Function

Gasserion (trigeminal, semilunar) ganglion - Spinal Trigeminal Nuc. - Somatic Sensation
Mesencephalic Nucleus - Oculomotor Nuclear Complex (motor) - Motor Reflex
Mesencephalic Nucleus - Spinal Trigeminal Nuc. - Somatic Sensation

3

IV Trochlear
Primary sensory neuron cell body location - Secondary ... - Function

Gasserion (trigeminal, semilunar) ganglion - Spinal Trigeminal Nuc. - Somatic Sensation
Mesencephalic Nucleus - Trochlear Motor Nuc. - Motor Reflex
Mesencephalic Nucleus - Spinal Trigeminal Nuc. - Somatic Sensation

4

V Trigeminal
Primary sensory neuron cell body location - Secondary ... - Function

Gasserion (trigeminal, semilunar) ganglion - Principal Sensory Nuc. - Somatic Sensation
Gasserion (trigeminal, semilunar) ganglion - Spinal Trigeminal Nuc. - Somatic Sensation
Mesencephalic Nucleus - Trigeminal Motor Nuc. - Motor Reflex
Mesencephalic Nucleus - Spinal Trigeminal Nuc. - Somatic Sensation

5

VI Abducens/ Abducent
Primary sensory neuron cell body location - Secondary ... - Function

Gasserion (trigeminal, semilunar) ganglion - Spinal Trigeminal Nuc. - Somatic Sensation
Mesencephalic Nucleus - Abducent Motor Nuc. - Motor Reflex
Mesencephalic Nucleus - Spinal Trigeminal Nuc. - Somatic Sensation

6

VII Facial
Primary sensory neuron cell body location - Secondary ... - Function

Geniculate ganglion - Spinal Trigeminal Nuc. - Somatic Sensation
Geniculate ganglion - Nuc. Solitarius (gustatory nuc.) - Taste/ Sensation/ Special Visceral

7

VIII Vestibulocochlear
Primary sensory neuron cell body location - Secondary ... - Function

Vestibular (Scarpa's) Ganglion (Bipolar Neurons) - Vestibular Nuclear Complex- Equilibrium/ Special Sensory
Spiral Ganglion of the Cochlea (bipolar neurons) - Cochlear Nuc. - Hearing/ Special Sensory

8

IX Glossopharyngeal
Primary sensory neuron cell body location - Secondary ... - Function

Jugular (superior glossopharyngeal) Ganglion - Spinal Trigeminal Nuc. - Somatic Sensation
Petrosal (inferior glossopharyngeal) Ganglion - Nuc. Solitarius (Cardiorespiratory Nuc.) - Visceral Sensation
Petrosal (inferior glossopharyngeal) Ganglion - Nuc. Solitarius (Gustatory Nuc.) - Taste Sensation/ Special Visceral

9

X Vagus
Primary sensory neuron cell body location - Secondary ... - Function

Superior Vagal (jugular) ganglion - Spinal Trigeminal Nuc. - Somatic Sensation
Inferior Vagal (nodose) ganglion - Nuc. Solitarius (cardiorespiratory nuc.) - Visceral Sensation
Inferior Vagal (nodose) ganglion - Nuc. Solitarius (gustatory nuc.) - Taste sensation/ Special Visceral

10

III Oculomotor (Branchial & Somatic Motor)
Cell body location &
Target Muscles

Oculomotor Nuclear Complex
Extrinsic eye muscles: superior rectus, medial rectus, inferior rectus, and inferior oblique;
also levator palpebrae superior

11

IV Trochlear (Branchial & Somatic Motor)
Cell body location &
Target Muscles

Trochlear Motor Nuc.
Superior oblique, extraocular muscle

12

Vc Mandibular Division, Trigeminal (Branchial & Somatic Motor)
Cell body location &
Target Muscles

Trigeminal Motor Nuc.
Temporalis, Masseter, Medial & Lateral Pterygoid, Mylohyoid, Anterior Belly of Digastric

13

VI Abducent or Abducens (Branchial & Somatic Motor)
Cell body location &
Target Muscles

Abducens Motor Nuc.
lateral rectus extraocular muscle

14

VII Facial (Branchial & Somatic Motor)
Cell body location &
Target Muscles

Facial Motor Nuc.
Muscles of Face, Scalp, Auricle;
Stapedius, Stylohyoid, Posterior Belly of Digastric

15

IX Glossopharngeal (Branchial & Somatic Motor)
Cell body location &
Target Muscles

Nuc. Ambiguus
stylopharyngeus

16

X Vagus (Branchial & Somatic Motor)
Cell body location &
Target Muscles

Nuc. Ambiguus
Pharyngeal constrictors, muscles of the soft palate, cricothyroid, palatoglossus

17

XI Spinal Accessory (Branchial & Somatic Motor)
Cell body location &
Target Muscles

Nuc. Ambiguus- intrinsic muscles of larynx
Spinal Nuc. (C1-C5 near ventral horn location) - Sternocleidomastoideus & Trapezius

18

XII Hypoglossal (Branchial & Somatic Motor)
Cell body location &
Target Muscles

Hypoglossal Motor Nuc.
Genioglossus, styloglossus, hyoglossus, & intrinsic muscles of the tongue

19

III Oculomotor (Parasympathetic)
Nuc. of Origin - Ganglion - Target Organ

Accessory Oculomotor (Edinger-Westphal) - Ciliary - Ciliaris, Sphincter Pupillae (intrinsic eye ms)

20

VII Facial (Parasympathetic)
Nuc. of Origin - Ganglion - Target Organ

Superior Salivatory - Submandibular - Submandibular & sublingual glands
Superior Salivatory - Pterygopalatine (sphenopalatine, Meckel's) - Lacrimal gland

21

IX Glossopharyngeal (Parasympathetic)
Nuc. of Origin - Ganglion - Target Organ

Inferior Salivatory - Otic (Arnold's) - Parotid Gland

22

X Vagus (Parasympathetic)
Nuc. of Origin - Ganglion - Target Organ

Dorsal vagal - Intramural - Viscera of Neck, thorax, abdomen, & upper pelvis

23

I Olfactory (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Anterior Cranial Fossa - Cribriform Plate - Nasal Cavity

24

II Optic (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Middle Cranial Fossa - Optic Canal - Orbit

25

III Oculomotor (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Middle Cranial Fossa - Superior Orbital Fissure - Orbit

26

IV Trochlear (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Middle Cranial Fossa - Superior Orbital Fissure - Orbit

27

Va Opthalmic division, Trigeminal (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Middle Cranial Fossa - Superior Orbital Fissure - Orbit

28

Vb Maxillary division, Trigeminal (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Middle Cranial Fossa - Foramen Rotundum - Pterygopalatine Region

29

Vc Mandibular division, Trigeminal (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Middle Cranial Fossa - Foramen Ovale - Infratemporal Region

30

VI Abducent (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Middle Cranial Fossa - Superior Orbital Fissure - Orbit

31

VII Facial (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Posterior Cranial Fossa - Internal Acoustic Meatus - Parotid Region

32

VIII Vestibulocochlear (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Posterior Cranial Fossa - Internal Acoustic Meatus - No Exit

33

IX Glossopharyngeal (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Posterior Cranial Fossa - Jugular Foramen - Neck

34

X Vagus (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Posterior Cranial Fossa - Jugular Foramen - Neck

35

XI Spinal Accessory (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Posterior Cranial Fossa - Jugular Foramen - Neck

36

XII Hypoglossal (Exit Sites)
Cranial Vault Location - Exit Name - Opens Into

Posterior Cranial Fossa - Hypoglossal Canal - Neck

37

Facial Nerve
(Exit Openings for Facial Nerve & Branches from Skull)
Exit Name - Opens Into

Stylomastoid Foramen - Parotid Region

38

Vidian Nerve
(Exit Openings for Facial Nerve & Branches from Skull)
Exit Name - Opens Into

Vidian Canal - Pterygopalatine Region

39

Chorda Tympani Branch
(Exit Openings for Facial Nerve & Branches from Skull)
Exit Name - Opens Into

Petrotympanic Fissure - Infratemporal region