PterygoPalatine Fossa+Maxillary artery+Autonmic ganglia Flashcards by Omar Gazar

بسم الله الرحمن الرحيم
“ وإذا قيل لهم اسجدوا للرحمن قالوا وما الرحمن أنسجد لما تأمرنا وزادهم نفورا “
___________________
What is pTERYGOPALATINE fOSSA?

Small inverted Pyramidal space below Orbit apex
and Medial to PterygoMaxillary Fissure

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prependicular plate of palatin in ….. contatinging ……..
Horizontal plate of palatine in …….forming ………..

lateral wall of nasal caivty
Shpenopalatine foramen
_______________
Roof of oral cavity
formin post 1/3 of hard palate containing greateer and lesser palatine foramina

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Mention Boundaries of Pterygopalatine fossa

Anteior : back of Maxilla
Post : root of pterygoid process
Medial : Prependicular plate of palatine bone containing pterygopalatine foramen
Lateral : PterygoMaxillary Fissure

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Mention connections of PterygoPalatine fossa

Orbit through inferior Orbital fissure
_____________
Palate through Greater and lesser palatine foramina
_______________
Infratemporal fossa via PterygoMaxillary fissure
________________
Sphenopalatine foramen to nasal cavity
Foramen Lacerum to pterygpid canal
Foramen Rotandum to Middle Cranial Fossa
Palatovaginal forament to nasopharynx

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Whic artery pass the pterygomaxillary fissure to enter pterygopalatine fossa ?

Maxillary artrery 3rd

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Communications of Pterygopalatine fossa and foramina

Superiorly to orbit via medial inferior orbital fissure
________________
inferior to pallate via greater and lesser palatine foramina
___________________
medial shpenopalatine foramin to nasal cavity
_________________
lateral infratemporal fossa by pterygomaxillary fissure
________________
Post :
Foramen lacerum to Pterygpid canal
Forament Rotandum to Middle cranial Fossa
Palatovaginal canal to NasOpHarynx
__________________

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What is the imp of Pterygopalatine fossa?

due to its contetnts :
1-Maxillary Nerve suspending 2- pterygopalatine ganglion
2-3rd part of Maxillary artery
_______________

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“لا ينهاكم الله عن الذين لم يقاتلوكم في الدين ولم يخرجوكم من دياركم أن تبروهم وتقسطوا إليهم إن الله يحب المقسطين “

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vessels of infratemoral fossa?

Maxillary + pterygoid venous pleux

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Parts of Maxillary locations

First and second in infratemporal fosas
third in pterygopalatine fossa through pterygoMaxillary Fissure

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Fist part of maxilarry artery course

between Neck of Mandilbe & SphenoMandiublar Ligament below Auriclotempral Nerve so called Mandibular branch

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Second part of maxillary pass

Either Deep or superfical to lower head of Lateral pterygoid muscle

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3rd part of maxilaary aretry passes ?

Between 2 heads of lateral pterygoid pass through pterygoMaxillary fissure to Pterygopalatine fossa
with buccal nerve of ant division of madibular trunk

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Mention branches of First part of Maxillary artery

To Ear:
Deep Auricular
Ant Tympanic
__________
Meningeal :
Middle meinigeal through foramen spinosum
Accessory Meningeal through foramne oveale
__________________
Lower Teeth
Inferior Alveolar

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Mention branches of 2nd part of Maxillary artery

Deep temoral
Massteric
Med+lateral pterygoid
Buccal to buccninator

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describe inferior alveolar artery

Branch of first part of Maxillary artery
enetering Mandibular canal through Mandiublar foramen before that give mylohyoid branch
befroe passing mental foramnia gives inciscve branch for inscisrors then go out of mental foramne as Mental Artery
__________________
the same course of inferor Alvolar Nerve

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Describe middle meingeal artery

branch of first part of Maxillary artery
_______________

passes between 2 muscles : Lateral pterygoid + Tensor Tympani
_________________
Between 2 roots of Auriclotemporal nerve
__________________
Pass through Foramen spinosum to middle cranial fossa dividing into large anterior to pterion and Small posterior to Lambda

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Mention 3rd part branches of maxillary

InfraOrbital branch and its branches
posterior superio alvolar
_________________
Greate and lesser palatine arteries
_________________
Sphenopalatine aretery
pharyngeal artery
pterygoid canal aretry
___________________

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Describe posterior superior alveolar artery

3rd part of maxillary
Passes throguh alveolar canal in body of maxilla for upper molars

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Describe Infra Orbital Artery :-

3rd part of Maxillary
Giving Middle and
anterior superior alveolar arteries for rest of teeth +
Skin of Lower yele lid +alae of nose + Upper lip

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Describe pterygoid venous pleux

Venous Network surrounding the Lateral Pterygoid muscle
Receving from all coressponding veins to Maxillary artery branches draining into Maxillary vein uniting with Superficial tempral vein formig RetroMandiublar vein

pterygoid venous pleux drained by ?

Maxillary Vein

Maxillary vein corrsponding to ?

First part of Maxillary artery and above it

مهم جدا جدا
______________
Mention communctaion of the Ptergoid venous pleux

1-anterior facial vein via deep facial vein
2-Inferior opthalmic vein via emissry veins in inferior orbital fissure
3-Cavernous sinus via Emissary veins ! Through Foramen ovale + Foramen Lacerum and Emiisary Sphenoidal Foramen

Anterior facial vein is connected to CS how ?

Direct through SOV Indirect thoruhg pterygoid venous pleux

Dangerous area of face

Medial side of eye Nose Upper lip due to anterio facial vein connected to CS trasmintting infection + CS thrombosis _____________

لما بتتاوب مين بيتشغل وليه ؟

Lateral Pterygoid عشان تمشي الدم في الشبكة الضفيرية الوريدية

وقالوا الحمدلله الذي صدقنا وعده وأورثنا الأرض نتبؤا من الجنة حيث نشاء فنعم اجر العاملين

Example of somatic nervous system ganglia ?

Dorsal root ganglia Trigeminal ganglipon

Sympatahtcic gnagnlia are .................... Parasympathaic .......................... (location)

ParaVertebral in chains 3 cervical sup midd inf ___________________ 4 para in H&N and others near organs or at their walls

Mention 4 parasymp ganglia in H&N

Ciliary Ptergopalatine Otic SubMandilbular ganglai

Otic ganglia found in ?

Infratemoral fossa below foramen ovale deep to Mandibular Nerve ________________

Parasympathic preganglionic of Otic ganglion is ?

Lesser petrosal nerve through foramen Ovale _________________ Origin of Lesser petrosal Inferior salivatory nucleus in Pons giving fibers parasymp passing in glossopharyngeal giving tympanic branch then tympanic pleyx then lesser petrosal then through foramen ovale to otic ganglion

Origin of Lesser petrosal

Inferior salivatory nucleus in Pons giving fibers parasymp passing in glossopharyngeal giving tympanic branch then tympanic pleyx then lesser petrosal then through foramen ovale to otic ganglion

smpathtaic of OticC from ?

Superior Cervical sympathatic gagnglion giving fibers forming pleux around ? Middle midingeal artery then to the otic ganglion

Sensory supply of otic gagnlion ?

Aurictemopral of posterio divison of mandibular

Otic gangion has special 4th root ?

The nerve to medial pterygoid from Mandibular Trunk gives a fiber to otic ganglion which is motor without rrelay still morot to supplu ? 2Tensors Tensor Palati + Tensor Tympani

Post ganglioinc of OTic joins ?

Auricloetmpal nerve inferior Root to parotid galnd secretorymotor fibers

Submandibular ganglion is suspended by ?

Lingula nerve From posterio division of Mandibular nerve

joining of chorda tympani and lingual site?

Deep to lateral pterygoid muscle

sENSOry root of Submanidublar ganglion ?

LINGULA NERVE

Parasympathtic pregagnlioninc of Submanidulbe ganglion ?

Chorda tympani joined to lingual nerve _________________ From superior salivaory nucelus passing in facial nerve giving Lazzzy Chordatympani that joint lingual Nerve to reach submandibular ganglion

Preganglioninc sympathatic of Submandibular ganglion ?

from the pleux around Facial artery

Branches of Submandibular ganglion mention ?

Direct to Submandoiublar glands Indirect to rejoin lingual nerve to reach sublingual salivary glands

pterygopalaitne ganglion suspened by ? and it is sensory root of the ganglion

Maxillary nerve

Preganglioinc parasympathic of pterygopalatine ganglion is ?

Greate petrosal nerve from Lacrimatory + Superior Salivatory Nucleus to Facial Nerve to Greater Petrosal Nerve to join deep petrosal sympathic forming nerve to pterygoid canal to ganglia

Preganglioninc sympatahic of Ptergopalatine gagnlion ?

From pleux around ICA ___________________ forming deep pertosal joining greater petrosal forming Nerve to Pterygoid canal to reach the ganglion where greater pertrosalrealy meanwhile Deep pretrosal has no relay

Branches of PPGMention

Orbital & lacrimal Nasal+ palatine Pharyngeal _______________

Lacrimal nerve receive parasymp from ?

Pterygppalatine ganglion indirectly how ? Pterygopalaine giving Maxillary giving zygmoatic giving zygomaticotemporal communicating with ? ' Lacrimal so it becomes Sensory and parasymp to lacrimal glands

Lacrinal nerve is ?

-Sensoy and parasymp to Lacrimal galnds also sensory giving palpebral for lateral part of upper eye lid ___________________

Compare between greate lesser deep petrosal

greater petrosal : Preganglionc parasympathic 1 to pterygopalaitne 2 branch of faical 3 __________________ lesser petrosal :L preganglionic paraymp 1 to otic 2 branch of glossopharyngeal _________________ deep pertrosal post ganglioinc symmp 1 to pterygopalatine 2 branch of pleux around ICA

رب اجعلني مقيم الصلاة ومن ذريتي ربنا وتقبل دعاء رب اغفر لي ولوالدي وللمؤمنين يوم يقوم الحساب