Foramina Flashcards
Identify at tip of pin
anterior cranial fossa - cribiform plate of ethmoid bone
***frontal bone hidden
Transmits?
anterior cranial fossa - CN I
***frontal bone hidden
Identify what would be found at pin. *frontal bone is faded
anterior cranial fossa - Foramen cecum of frontal bone
Transmits?
anterior cranial fossa - nasal emissary v.
Identify what pin enters
Orbital foramen - anterior ethmoidal foramen of frontoethmoidal suture
Identify at pin tip
Anterior cranial fossa - posterior ethmoidal foramen of frontoethmoidal suture
Transmits?
Orbital foramen - anterior ethmoidal a., n., and v.
Transmits?
anterior cranial fossa - posterior ethmoidal a., n., and v.
Identify
middle cranial fossa - optic canal of sphenoid (chiasmatic groove)
Transmits?
middle cranial fossa - CN II and ophthalmic a.
Identify
middle cranial fossa - Superior orbital fissure of sphenoid bone
Transmits?
middle cranial fossa - CNs III, IV, V1, VI, superior ophthalmic v.
Identify
middle cranial fossa - Foramen rotundum of sphenoid bone
Transmits?
middle cranial fossa - CN V2
Identify
middle cranial fossa - foramen ovale of sphenoid
Transmits?
middle cranial fossa - CN V3, accessory meningeal a.
Identify
middle cranial fossa - foramen spinosum of sphenoid bone
Transmits?
middle cranial fossa - middle meningeal a., recurrent meningeal n. (V3)
Represented by larger blue circle and what transmits through it?
Middle cranial fossa - Hiatus for geater petrosal n. of temporal (petrosal) bone
Greater petrosal n. (CN VII), petrosal branch of middle meningeal a.
Represented by smaller blue circle?
Middle cranial fossa - hiatus of lesser petrosal n. of temporal bone (lateral to greater)
Transmits through what is represented by smaller blue circle?
middle cranial fossa - lesser petrosal n. {CN IX)
Identify
Posterior cranial fossa - internal acoustic meatus of temporal bone
Transmits?
Posterior cranial fossa - CNs VII, VIII, internal labryinthine a.
Identify
Posterior cranial fossa - condyloid canal of occipital bone
Transmits?
Posterior cranial fossa - condyloid emissary v.
Identify
Posterior cranial fossa - foramen magnum
Transmits?
Posterior cranial fossa - spinal cord, roots of CN XI, vertebral aa. dural vv.
Identify
Posterior cranial fossa - hypoglossal canal of occipital bone
Transmits?
Posterior cranial fossa - CN XII (GSE), postrior meningeal branch of ascending pharyngeal a.
Identify
Basal view - petrotympanic fissure of temporal bone (medial to mandibular fossa)
***unsure about this one
Transmits
Basal view - chorda tympani of CN VII
Identify
Basal view - Stylomastoid foramen of temporal bone
Transmits?
Basal view - SVE of CN VII
Identify
Basal view - Carotid canal of temporal bone