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Cranial Foramina

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studentdo2021's version from 2018-03-25 17:51

Memorize the structures passing through cranial foramina.

 

ForaminaVesselsNerves
supraorbital foramensupraorbital a & vsupraorbital n
foramen cecumemissary v to sup sagittal sinus-
foramina of cribriform plate-olfactory nn (CN I)
ant. ethmoidal foramenant. ethmoidal a & vant. ethmoidal n
post. ethmoidal foramenpost. ethmoidal a & vpost. ethmoidal n
optic canalophthalmic aoptic n (CN II)
sup. orbital fissuresup ophthalmic vCN III, IV, VI, ophthalmic n br's (CN V1)
foramen rotundum-maxillary n (CN V2)
incisive foramen/incisive canalsphenopalatine anasopalatine n (CN V2)
greater palatine foramengreater palatine a & vgreater palatine n
lesser palatine foramenlesser palatine a & vlesser palatine n
inferior orbital fissureinf ophthalmic v, infraorbital a & vzygomatic n, infraorbital n of maxillary n (CN V2)
infraorbital forameninfraorbital a & vinfraorbital n
foramen ovaleaccessory meningeal amandibular n (CN V3), lesser petrosal n
foramen spinosummiddle meningeal ameningeal br of mandibular n (CN V3)
foramen lacerum--
internal acoustic meatuslabrynthine aCN VII & VIII
jugular forameninternal jugular vCN IX, X, XI
hypoglossal canal-CN XII
foramen magnumant & post spinal a, vertebral amedulla oblongata, asc. fibers of CN XI
stylomastoid foramen-CN VII
pterygoid canala of pterygoid canaln of pterygoid canal
memorize

Where the foramina can be found

 

ForaminaBoneCranial Fossa
supraorbital foramenfrontal-
foramen cecumfrontalant
foramina of cribriform plateethmoid-
ant. ethmoidal foramenethmoidant
post. ethmoidal foramenethmoidant
optic canalsphenoid-
sup orbital fissuresphenoidmid
foramen rotundumsphenoidmid
incisive foramen/incisive canalmaxilla-
greater palatine foramenpalatine-
lesser palatine foramenpalatine/maxilla-
inferior orbital fissuresphenoid/maxilla-
infraorbital foramenmaxilla-
foramen ovalesphenoidmid
foramen spinosumsphenoidmid
foramen lacerumsphenoid/temporalmid
internal acoustic meatustemporalpost
jugular foramentemporalpost
hypoglossal canaloccipitalpost
foramen magnumoccipitialpost
stylomastoid foramentemporalpost
pterygoid canalsphenoid-
memorize

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