Pterygopalatine Fossa

Front 1

Anterior wall of the fossa?

Back 1

Superomedial surface of the posterioe surface of the maxilla

Front 2

Posterior wall or roof of the fossa?

Back 2

Sphenoid bone; anterosuperior surface of pterygoid process

Front 3

Medial wall of fossa?

Back 3

Lateral wall of nasal cavity

Front 4

Laterall wall of fossa?

Back 4

Opens into infratemporal fossa through pterygomaxillary fissure

Front 5

Foramina on posterior wall of fossa?

Back 5

Foramen rotundum superiorly and laterally

Inferomedial is the pterygoid canal

Front 6

Posteriorly the pterygoid canal continues through?

Back 6

Cartilage filling the foramen lacerum

Front 7

Foramen rotundum and pterygoid canal communicate with?

Back 7

Middle cranial fossa

Front 8

Palatovaginal canal/ pharangeal canal opens posteriorly into?

Back 8

Nasopharynx

Front 9

Palatine canal is where?

Back 9

Inferiorly in the pp fossa

Front 10

Palatine canal leads to?

Back 10

Roof of the oral cavity (hard palate)

Front 11

Sphenopalatine foramen opens into?

Back 11

Lateral wall of nasal cavity

Front 12

Superior aspect of anterior wall open into?

Back 12

Inferior orbital fissure

Front 13

Contents of the fossa

Back 13

Maxillary nerve and its branches

Terminal part of maxillary artery

Pterygopalatine ganglion

Front 14

Maxillary nerve becomes what when it passes through the inferior orbital fissure?

Back 14

Infraorbital nerve

Front 15

Branches of maxillary nerve in the fossa?

Back 15

Posterior superior alveolar nerve

Zygomatic nerve

2 ganglionic branches

Front 16

Postganglionic parasympathetic fibers, Postganglionic sympathetic fibers and sensory fibers arise from the ganglion as?

Back 16

Orbital branches

Nasal branches

Pharangeal branches

Palatine branches

Front 17

Orbital branches supply

Back 17

Supply of orbital wall and of sphenoidal and ethmoidal sinus

Front 18

Greater and lesser palatine nerves supply?

Back 18

Pass inferiorly from pterygopalatine ganglion. And enter and pass through the palate through greater and lesser palatine foramina

Front 19

Greater palatine nerve supply?

Back 19

Mucosa and glands of hard palate and adjacent ginigiva almost as far as incisor teeth

Front 20

In palatine canal, greater palatine nerve gives origin to?

Back 20

Posterior inferior nasal nerves

Front 21

Posterior inferior nasal nerves Supply?

Back 21

Lateral wall of nasal cavity

Front 22

Lesser palatine nerve supply?

Back 22

Soft palate

Front 23

How many nasal nerves?

Back 23

Approx 7 in number

Front 24

How is nasopalatine nerve formed?

Back 24

It is one of the branches of the nasal branches that passes anterior onto nasal septum through the incisive canal and fossa in hard palate to enter the roof of the oral cavity.

Front 25

Supply of nasopalatine nerve?

Back 25

Mucosa, ginigiva, !and glands adjacent to incisive teeth

Front 26

Pharangeal nerve?

Back 26

Passes through the pharangeal canal to supply mucosa and glands of the nasopharynx

Front 27

Branches of zygomatic nerve after passing into the inferior orbital fissure?

Back 27

Zygomaticotemporal and zygomaticofacial nerve

Front 28

Posterior superior alveolar nerve?

Back 28

Passes out through pterygomaxillary fissure and enter infratemporal fossa.

Front 29

Posterior superior alveolar nerve joins which plexus?

Back 29

Superior dental plexus

Front 30

Supply of the posterior superior alveolar nerve

Back 30

Supply molar teeth and gingiva and contributes to the supply of the maxillary sinus

Front 31

Infraorbital nerve give rise to what branches in the infraorbital canal?

Back 31

Anterior and middle superior alveolar nerve which ultimately join the superior dental plexus

Front 32

Branches of infraorbital nerve?

Back 32

Nasal, palpebral, and superior manual branches

Front 33

Greater petrosal nerve carries post ganglionic parasympathetic innervation to what glands?

Back 33

To all the glands above the oral fissure

Lacrimal glands

Nasal mucous glands

Salivary glands in the upper half of oral cavity

Front 34

Deep petrosal nerve formed by?

Back 34

Post ganglionic sympathetic fibers originating from superior cervical ganglion that wind around the internal carotid artery as the internal carotid plexus

Front 35

What part of maxillary artery is present in the fossa?

Back 35

Third part

Front 36

Maxillary artery enters the fossa through?

Back 36

Pterygomaxillary fissure

Front 37

Branches of the maxillary artery?

Back 37

Posterior superior alveolar artery

Infraorbital artery

Sphenopalatine artery

Greater palatine artery

Artery of the pterygoid canal

Pharangeal artery

Front 38

Terminal branch of maxillary artery?

Back 38

Sphenopalatine artery

Front 39

Branches of Sphenopalatine artery?

Back 39

Posterior inferior nasal branches and posterior septal branches