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Anatomy > A30 - The ganglion of hayfever > Flashcards

A30 - The ganglion of hayfever Flashcards

1
Q

what are the symptoms of hayfever?

A
  • sneezing & stuffy, runny nose
  • watery eyes
  • allergy to pollen
  • dilates blood vessels
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2
Q

where is the Pterygopalatine Fossa located in relation to the orbital cone?

A

inferiorly

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3
Q

where is the Pterygopalatine Fossa located in relation to ptygeoid process of the sphenoid bone?

A

anteriorly

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4
Q

where is the Pterygopalatine Fossa located in relation to the maxilla?

A

posteriorly

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5
Q

where is the Pterygopalatine Fossa located in relation to the infratemporal fossa?

A

medially

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6
Q

where is the Pterygopalatine Fossa located in relation to the postero-superior part of the lateral wall of the nasal cavity?

A

laterally

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7
Q

how does the Pterygopalatine Fossa communicate with the orbit?

A

inferior orbital fissure

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8
Q

how does the Pterygopalatine Fossa communicate with the middle cranial fossa?

A

foramen rotundrum and pterygoid canal

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9
Q

how does the Pterygopalatine Fossa communicate with the infratemporal fossa?

A

pterygomaxillary fissue

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10
Q

how does the Pterygopalatine Fossa communicate with the nasal cavity?

A

sphenopalatine foramen

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11
Q

where is the sphenopalatine foramen located?

A

in the lateral wall of the nasal cavity, between the body of the sphenoid and the perpendicular plate of the palatine bone

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12
Q

what does the how does the pterygopalatine Fossa contain?

A
  • terminal 1/3rd of the maxillary artery
  • CN Vb
  • Pterygopalatine ganglion
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13
Q

what ganglion is responsible for hafever symptoms ?

A

pterygopalatine ganglion

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14
Q

what branches of the maxillary artery are lateral to the lateral ptygergoid?

A
  • superficial temporal
  • deep auricular
  • anterior tympanic
  • middle meningeal
  • inferior alveolar > mental
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15
Q

what are the branches of the maxillary artery that lies superficial to the lateral pterygoid?

A
  • masseteric
  • pterygoid
  • deep temporal
  • buccal
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16
Q

what are the branches of the maxillary artery that lie medially to the lateral pterygoid?

A
  • sphenopalatine
  • greater and lesser palatine
  • infraorbital
  • posterior, middle and anterior superior alveolar
17
Q

what artery supplies the maxillary molars?

A

posterior superior alveolar artery

18
Q

what does the anterior superior alveolar artery supple?

A

maxillary anterior teeth

19
Q

what artery supples the maxillary premolars?

A

middle superior alveolar

20
Q

what branch of the thrid part of the maxillary artery supplies the skin of the face?

A

infraorbital artery

21
Q

what artery supplies the nasal cavity?

A

sphenopalatine artery

22
Q

what arteries supply the palate?

A
  • greater palatine supplies the hard palate

- lesser palatine supplies the soft palate

23
Q

what does the maxilarry artery become when it passes through the sphenopalatine foamen?

A

sphenopalatine artery

24
Q

how does the ophthalmic artery get blood supply to the nasal cavity?

A

via anterior and posterior ethmoidal arteries

25
Q

how does the maxillary artery get blood supple to the nasal cavity?

A

via sphenopalatine and greater palatine arteries

26
Q

how does the facial artery get blood supple to the nasal cavity?

A

via lateral nasal branch of facial or septal branch of superior labial artery

27
Q

what is the nerve supply to the superior nasal cavity?

A

anterior ethmoidal branch of nasociliary

28
Q

What nerve travels with the sphenopalatine artery through the sphenopalatine foramen to supple to inferior part of the nasal cavity?

A

nasopalatine nerve

29
Q

how do preganlionic sympathetic fibres reach the cervical ganglion?

A
  1. travel down the spinal cord
  2. exit the spinal cord in T1 spinal nerve
  3. travel superiorly in the sympathetic chain
  4. Synapse in the superior cervical sympathetic ganglion
30
Q

how do postganglionic sympathetic fibres reach the nasal cavity

A

postganglionic fibres within the nerve create a plexus on surface of internal carotid artery then reaches nasal cavity via deep petrosal nerve

31
Q

describe the parasympathetic secretomotor supply to the nasal cavity

A
  • pre ganglionic parasympathetic fibres split from CNVII forming greater petrosal nerve in middle cranial fossa
  • post ganglionic sympathetic fibres leave carotid plexus forming deep petrosal nerve
  • the greater petrosal nerve and the deep petrosal nerve come together to form the ;nerve of the pterygoid canal
  • the nerve of the pterygoid canal travels to the pterygopalatine ganglion of hayfever where the PREganglionic parasympathetic fibres synapse and the POSTganglionic sympathetic fibres pass through
  • both post ganglionic parasympathetic and sympathetic fibres are transferred to the mucosa of the nasal cavity
32
Q

where do the deep petrosal and greater petrosal nerves meet?

A

foramen lacerum

33
Q

what is the communicating nerve between the pterygopalatine ganglion and the lacrimal gland that carries postganglionic fibres?

A

lacrimal nerve - branch of CN VI

34
Q

what are the branches of the pterygopalatine ganglion?

A
  • lesser palatine nerve to the soft palate
  • greater palatine nerve to hard palate
  • nasopalatine nerve to nasal septum
  • lateral nasal nerve to muscos membrane of lateral wall of nasal cavity
  • zygomatic nerve carrying parasympathetic secretomotor fibres from VII to lacrimal gland
35
Q

what areas does the maxillary Division of the Trigeminal Nerve (Vb) give general sensations?

A
  • Mid-face skin
  • Maxillary teeth & gingivae
  • Mucosa of maxillary sinus
  • Walls of nasal cavity
  • Hard and soft palate
36
Q

The Maxillary Division of the Trigeminal Nerve (Vb) distributes Sympathetic & Parasympathetic (CN VII) secretomotor fibres from pterygopalatine ganglion to what regions?

A
  • Lacrimal gland
  • Mucous glands of nasal cavity
  • Minor salivary glands of the palate
37
Q

what nerve supplies somatic sensory to the lateral nasal wall of the nasal cavity?

A

lateral nasal branch of greater palatine nerve

38
Q

what nerve supplies somatic sensory to the septum of the nasal cavity?

A

nasoplatine nerve

Anatomy (30 decks)

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