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39 Cards in this Set
- Front
- Back
Anterior wall of the fossa? |
Superomedial surface of the posterioe surface of the maxilla |
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Posterior wall or roof of the fossa? |
Sphenoid bone; anterosuperior surface of pterygoid process |
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Medial wall of fossa? |
Lateral wall of nasal cavity |
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Laterall wall of fossa? |
Opens into infratemporal fossa through pterygomaxillary fissure |
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Foramina on posterior wall of fossa? |
Foramen rotundum superiorly and laterally Inferomedial is the pterygoid canal |
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Posteriorly the pterygoid canal continues through? |
Cartilage filling the foramen lacerum |
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Foramen rotundum and pterygoid canal communicate with? |
Middle cranial fossa |
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Palatovaginal canal/ pharangeal canal opens posteriorly into? |
Nasopharynx |
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Palatine canal is where? |
Inferiorly in the pp fossa |
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Palatine canal leads to? |
Roof of the oral cavity (hard palate) |
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Sphenopalatine foramen opens into? |
Lateral wall of nasal cavity |
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Superior aspect of anterior wall open into? |
Inferior orbital fissure |
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Contents of the fossa |
Maxillary nerve and its branches Terminal part of maxillary artery Pterygopalatine ganglion |
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Maxillary nerve becomes what when it passes through the inferior orbital fissure? |
Infraorbital nerve |
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Branches of maxillary nerve in the fossa? |
Posterior superior alveolar nerve Zygomatic nerve 2 ganglionic branches |
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Postganglionic parasympathetic fibers, Postganglionic sympathetic fibers and sensory fibers arise from the ganglion as? |
Orbital branches Nasal branches Pharangeal branches Palatine branches |
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Orbital branches supply |
Supply of orbital wall and of sphenoidal and ethmoidal sinus |
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Greater and lesser palatine nerves supply? |
Pass inferiorly from pterygopalatine ganglion. And enter and pass through the palate through greater and lesser palatine foramina |
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Greater palatine nerve supply? |
Mucosa and glands of hard palate and adjacent ginigiva almost as far as incisor teeth |
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In palatine canal, greater palatine nerve gives origin to? |
Posterior inferior nasal nerves |
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Posterior inferior nasal nerves Supply? |
Lateral wall of nasal cavity |
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Lesser palatine nerve supply? |
Soft palate |
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How many nasal nerves? |
Approx 7 in number |
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How is nasopalatine nerve formed? |
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. |
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Supply of nasopalatine nerve? |
Mucosa, ginigiva, !and glands adjacent to incisive teeth |
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Pharangeal nerve? |
Passes through the pharangeal canal to supply mucosa and glands of the nasopharynx |
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Branches of zygomatic nerve after passing into the inferior orbital fissure? |
Zygomaticotemporal and zygomaticofacial nerve |
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Posterior superior alveolar nerve? |
Passes out through pterygomaxillary fissure and enter infratemporal fossa. |
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Posterior superior alveolar nerve joins which plexus? |
Superior dental plexus |
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Supply of the posterior superior alveolar nerve |
Supply molar teeth and gingiva and contributes to the supply of the maxillary sinus |
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Infraorbital nerve give rise to what branches in the infraorbital canal? |
Anterior and middle superior alveolar nerve which ultimately join the superior dental plexus |
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Branches of infraorbital nerve? |
Nasal, palpebral, and superior manual branches |
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Greater petrosal nerve carries post ganglionic parasympathetic innervation to what glands? |
To all the glands above the oral fissure Lacrimal glands Nasal mucous glands Salivary glands in the upper half of oral cavity |
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Deep petrosal nerve formed by? |
Post ganglionic sympathetic fibers originating from superior cervical ganglion that wind around the internal carotid artery as the internal carotid plexus |
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What part of maxillary artery is present in the fossa? |
Third part |
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Maxillary artery enters the fossa through? |
Pterygomaxillary fissure |
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Branches of the maxillary artery? |
Posterior superior alveolar artery Infraorbital artery Sphenopalatine artery Greater palatine artery Artery of the pterygoid canal Pharangeal artery |
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Terminal branch of maxillary artery? |
Sphenopalatine artery |
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Branches of Sphenopalatine artery? |
Posterior inferior nasal branches and posterior septal branches |