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Valerie Rock CNS > Innervations, Arteries, Fibers, OH MY!! > Flashcards

Innervations, Arteries, Fibers, OH MY!! Flashcards

1
Q

Olfactory (CN I) fiber types and location

A

SSA, through cribiform plate of ethmoid bone

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2
Q

Optic (CN II) fiber types and location

A

SSA, through optic canal

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3
Q

Oculomotor (CN III) fiber types and location

A

GSE, GVE through superior orbital fissure

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4
Q

Oculomotor (CN III) actions and innervations

A

o Constriction of pupil and accommodation of lens

• Medial rectus, superior rectus, levator palpebrae superioris, inferior rectus, inferior oblique

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5
Q

Trochlear (CN IV) fiber types and location, innervations

A

GSE, through superior orbital fissue

• Superior oblique

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6
Q

Trigeminal (CN V)

fiber types and location

A

o Ophthalmic division (V1) – GSA, through superior orbital fissure

o Maxillary division (V2) – GSA, through foramen rotundum

o Mandibular division (V3) – GSA, BE, through foramen ovale

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7
Q

Ophthalmic division (V1) fiber types and location

A 
GSA, through superior orbital fissure
•	Lacrimal
•	Nasociliary 
•	Frontal 
      •	  Supraorbital 
      •	  Supratrochlear
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8
Q

Maxillary division (V2) fiber types and location, branches

A 
GSA, through foramen rotundum 
•	Zygomatictemporal 
•	Infraorbital
•	Posterior superior alveolar 
•	Greater and lesser palatine
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9
Q

Mandibular division (V3) innervation, fiber types and location

A 
GSA, BE, through foramen ovale 
•	Mylohyoid, anterior belly of digastric. tensor veli palatine 
•	Auriculotemporal 
•	Deep temporal 
•	Inferior alveolar
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10
Q

Abducens (CN VI) fiber types and location, innervation

A

GSE, through the superior orbital fissure

• Lateral rectus

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11
Q

Facial (CN (VII) fiber types and location

A

– GSA, SSA, GVE, BE, GVA, through the internal acoustic meatus and exits through the stylomastoid foramen

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12
Q

Facial (CN (VII) actions

A

o Stimulate secretions of lacrimal, submandibular, and sublingual glands

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13
Q

Facial (CN (VII) branches

A 
o	Temporal branches 
o	Zygomatic branches 
o	Buccal branches
o	Mandibular branches
o	Cervical branches
o	Chorda tympani
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14
Q

Facial (CN VII) innervations

A

Posterior belly of digastric, stylohyoid, all muscles of facial expression

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15
Q

Vestibulocochlear (CN VIII) fiber types and location

A

SSA, through the internal acoustic meatus

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16
Q

Glossopharyngeal (CN IX) fiber types and location

A

GVA, GSA, SSA, GVE, BE, through jugular foramen

17
Q

Glossopharyngeal (CN IX) actions and innervations

A

Stimulate secretions from parotid gland

Stylopharyngeus

18
Q

Vagus (CN X) fiber types and location

A

GSA, GVA, SSA, GVE, BE, through jugular foramen

19
Q

Vagus (CN X) actions and innervations

A

o Stimulate smooth muscle and glands in pharynx, larynx, thoracic, and abdominal viscera

• Palatoglossus, levator veli palatini, pharyngeal constrictors, palatopharyngeus, salpingopharyngeus

20
Q

Vagus (CN X) branches

A

o Superior laryngeal – internal and external (cricothyroid) laryngeal nerves
o Inferior laryngeal (recurrent laryngeal) (intrinsic muscles of the larynx)

21
Q

Accessory (CN XI)

A

BE, GSE, through jugular foramen

22
Q

Hypoglossal (CN XII) fiber types and location, innervations

A

GSE, through hypoglossal canal

• Genioglossus, hyoglossus, styloglossus

23
Q

Ansa cervicalis (ventral rami C1-C3)

A

Sternohyoid, omohyoid, sternothyroid

24
Q

External carotid

A 
o	Superior thyroid
•	Superior laryngeal 
o	Ascending pharyngeal 
o	Lingual 
o	Facial 
o	Occipital 
o	Posterior auricular 
o	Maxillary 
o	Superficial temporal
•	Transverse facial
25
Q

Maxillary (branches)

A
  • Middle meningeal
  • Deep temporal
  • Inferior alveolar
  • Greater and lesser palatine
  • Sphenopalatine
  • Infraorbital
  • Buccal
  • Mental
26
Q

Subclavian artery

A 
o	Thyrocervical trunk 
•	Inferior thyroid
•	Inferior laryngeal 
•	Suprascapular 
•	Transverse cervical 
o	Vertebral artery   
o	Internal thoracic
27
Q

Internal carotid

A 
o	Ophthalmic artery 
o	Middle cerebral (MCA)
o	Anterior cerebral (ACA) 
o	Anterior communicating 
o	Posterior communicating
o	Anterior ethmoidal 
o	Posterior ethmoidal
28
Q

Vertebral-basilar system

A 
o	Vertebral 
o	Basilar 
o	Posterior inferior cerebellar (PICA)
o	Anterior inferior cerebellar (AICA) 
o	Superior cerebellar (SCA)  
o	Posterior cerebral (PCA)
29
Q

7 bones of orbit

A

lacrimal, frontal, maxilla, zygomatic, palatine, sphenoid, ethmoid

30
Q

Sphenoethmoid recess

A

sphenoid sinus

31
Q

Superior meatus

A

posterior ethmoid sinus

32
Q

Middle meatus

A

anterior and middle ethmoid sinus frontal sinus

maxillary sinus

33
Q

Inferior meatus

A

nasolacrimal duct

Valerie Rock CNS (8 decks)

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