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Veterinary Anatomy III > HEAD M, V, N > Flashcards

HEAD M, V, N Flashcards

gl. parotis ductus parotideus ln. parotideus n. facialis n. auriculotemporalis

1
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Gl. parotis

Located between gl. mandibularis and the ear

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2
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Ductus parotideus

  • Runs over m. masseter*
  • Opens into oral vestibule, approx. P4*
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3
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Ln. parotideus

Between m. masseter and gl. parotis

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4
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N. facialis (CN-VII)

From caudal border of the pons, exiting skull at for. stylomastoideum

Motor nerve → Muscle of facial expression

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5
Q

How to access n. facialis

A

Lift and reflect gl. parotis

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6
Q

List the branches of n. facialis

A
  • N. auricopalpebralis
  • R. buccalis dorsalis
  • R. buccalis ventralis
  • R. auricularis rostralis
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7
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N. auriculotemportalis

  • ex n. mandibularis ex. n. trigeminus (CN-V)
  • Sensory nerve to ear, temple and cheek
  • Leads to r. auricularis rostralis
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8
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N. trigeminus (CN-V)

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9
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R. buccalis dorsalis

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10
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R. buccalis ventralis

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11
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R. auricularis rostralis

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12
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R. buccalis ventralis

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13
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Ductus parotideus

  • Runs over m. masseter*
  • Opens into oral vestibule, approx. P4*
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14
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Gl. mandibularis

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15
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R. buccalis dorsalis

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16
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N. auriculotemportalis

ex n. mandibularis ex. n. trigeminus (CN-V)

Sensory nerve to ear, temple and cheek

Leads to r. auricularis rostralis

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17
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R. buccalis dorsalis

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18
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R. buccalis ventralis

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19
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N. facialis (CN-VII)

From caudal border of the pons, exiting skull at for. stylomastoideum

Motor nerve → Muscle of facial expression

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20
Q
A

N. auriculopalpebralis

  • Ex n. facialis (CN-VII)
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21
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N. palpebralis/r. zygomaticus

  • Ex n. auriculopalpebralis ex n. facialis (CN-VII)
  • Located under gl. parotis
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22
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N. zygomaticotemporalis

  • Ex n. maxillaris (CN-V2) ex. n. trigeminus (CN-V)
  • Sensory nerve
  • From the bottom 3rd of orbital ligament
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23
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A

N. zygomatofacialis

  • Ex. n. maxillaris (CN-V2) ex n. trigeminus (CN-V)
  • Sensory nerve
  • Runs out of a space ventral to the orbital ligament
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24
Q
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N. frontalis

  • Ex n. opthalmicus (CN-V1) ex n. trigeminus (CN-V)
  • Sensory nerve
  • Runs with a vessel within the orbit
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25
***Gl. lacrimalis*** * Under the orbital ligament * Caudal to the eye
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**N.** **auriculopalpebralis r. zygomaticus**
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**N. auriculotemporalis**
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***N. auriculopalpebralis*** * *Ex n. facialis* (CN-VII)
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***N. frontalis*** * *Ex n. opthalmicus* (CN-V1) *ex n. trigeminus* (CN-V) * Sensory nerve * Runs with a vessel within the orbit
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***M. nasolabialis/Levator nasolabialis*** **Origin:** Maxilla **Insertion:** Edge of upper lip on external naris **Action:** Dilate nostrils, raise upper lip
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***N. infraorbitalis*** * *Ex n. maxillaris* (CN-V2) *ex n. trigeminus* (CN-V) * Exits from *foramen infraorbitale* with radiating branches * Sensory nerve to the muzzle
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***N. buccalis*** * Ex n. mandibularis (CN-V3) ex n. trigeminus (CN-V) * Sensory nerve to mucous membrane and skin of cheek * Can be traced with the deep facial vein, slightly deeper
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***Nn. mentalis*** * *Ex n. alveolaris mandibularis ex n. mandibularis* (CN-V3) *ex n. trigeminus* (CN-V) * Branches from the *foramina mentalia* * Sensory nerve to the lower lip
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***V. facialis*** * *Ex v. linguofacialis ex v. jugularis externa*
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List the branches of *v. facialis*
* *V. profunda faciei* * *V. angularis oculi* * *V. nasalis dorsalis* * *V. nasalis lateralis* * *V. labialis inferior* * *V. labialis superior* * *V. submentalis* * *V. infraorbitalis*
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***V. profunda faciei***
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***V. angularis oculi***
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***V. nasalis dorsalis***
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***V. infraorbitalis***
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***V. labialis superior***
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***V. labialis inferior***
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***Gl. zygomatica*** * Beneath the eye * Partially covered by zygomatic arch * *M. masseter* _must_ be cut
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***M. digastricus*** **Origin:** *Processus paracondylaris* of occipital Bone **Insertion:** *Corpus mandibulae* **Action:** Open Mouth
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***M. digastricus*** **Origin:** *Processus paracondylaris* of occipital Bone **Insertion:** *Corpus mandibulae* **Action:** Open Mouth
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7
***Gl. mandibularis*** * Caudal to *angulus mandibulae* * Partly covered by *gl. parotidea* * Between *vv. maxillaris et linguofacialis*
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***Gl.*** ***sublingualis*** ***monostomatica*** * Rostral to *gl**.* *mandibularis*
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​​***Gl. sublingualis polystomatica*** * Along *ductus sublingualis* * Opens into *recessus* *sublingualis*
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***Ductus sublingualis*** * Opens at *caruncula sublingualis*
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* ​​****Ductus mandibularis*** * Opens at *caruncula sublingualis*
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​​***Gl. sublingualis polystomatica*** * Along *ductus sublingualis* * Opens into *recessus* *sublingualis*
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***Gl.*** ***sublingualis*** ***monostomatica*** * Rostral to *gl**.* *mandibularis*
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***Lc. mandibulare*** ***(Lnn. mandibulares)*** * Ventral to *gl**.* *mandibualris* * Nodes lie on both sides of *v.* *facialis*
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***Ln. retropharyngeus medialis*** * Reflect *gl. mandibularis* rostrally * Found lying on the trachea, ventral to *ala* *atlantis*
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How to locate: * *Ductus* *mandibularis* * *Ductus* *sublingualis* * *Gl.* *sublingualis* *polystomatica*
* Lift *gll**.* *mandibularis* *et* *sublingualis* *monostomatica* * Cut *m. digastricus* near its origin
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***V.*** ***maxillaris***
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***V.*** ***linguofacialis***
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2
***V.*** ***maxillaris***
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***V.*** ***maxillaris***
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***V.*** ***linguofacialis***
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2
***V.*** ***maxillaris***
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***V.*** ***maxillaris***
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***V.*** ***linguofacialis***
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How are *n.* *lingualis* and the monostomatic and mandibular ducts located?
1. Paramedian cut along the mylohyoid 2. Repeat with geniohyoid 3. The ducts are located next to the vein

Veterinary Anatomy III (124 decks)

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