2.1 Anatomy of the Skull and Cranial Nerves Flashcards
CRANIAL NERVE COMPARTMENTS
sensory motor or mixed/both
rhyme?
Some Say Marry Money But My Brother Says Big Brains Matter Most
- Olfactory - SENSORY
- Optic - SENSORY
- Oculomotor - MOTOR
- Trochlear - MOTOR
- Trigeminal - BOTH (mixed)
- Abducent - MOTOR
- Facial - BOTH (mixed)
- Vestibulocochlear - SENSORY
- Glossopharyngeal - BOTH (mixed)
- Vagus - BOTH (mixed)
- Accessory - MOTOR
- Hypoglossal – MOTOR
CRANIAL BASE is the FLOOR of the NEUROCRANIUM which SUPPORTS the BRAIN and is DIVIDED into CRANIAL FOSSAS
what STRUCTURE is in the ANTERIOR CRANIAL FOSSA
CRIBRIFORM PLATE
what FORAMEN are in the MIDDLE CRANIAL FOSSA
FORAMEN ROTUNDUM
FORAMEN OVALE
FORAMEN SPINOSUM (small)
FORAMEN LACERUM (lacerated, torn like shape)
which other STRUCTURES are found in the MIDDLE CRANIAL FOSSA
OPTIC CANAL
SUPERIOR ORBITAL FISSURE
CAROTID CANAL
which FORAMEN are found in the POSTERIOR CRANIAL FOSSA
FORAMEN MAGNUM
JUGULAR FORAMEN
which other STRUCTURES are found in the POSTERIOR CRANIAL FOSSA
INTERNAL ACOUSTIC MEATUS
HYPOGLOSSAL CANAL
CRIBRIFORM PLATE is found where
ANTERIOR CRANIAL FOSSA
CRIBRIFORM PLATE is part of which BONE
ETHMOID BONE
ROLE of CRIBRIFORM PLATE
SUPPORTS OLFACTORY BULB and allows OLFACTORY NERVES (I) to PICK UP sense of SMELL in the OLFACTORY REGION of the NASAL CAVITY
OPTIC CANAL is found where
MIDDLE CRANIAL FOSSA
MEDIAL to the SUPERIOR ORBITAL FISSURE
OPTIC CANAL ROLE
OPTIC NERVE (II) travels POSTERIOR from EYEBALL through the optic canal before the Optic Chiasma
OPTIC CANAL is where in relation to the SUPERIOR ORBITAL FISSURE
MEDIAL
where is the SUPERIOR ORBITAL FISSURE found
MIDDLE CRANIAL FOSSA - ANTERIORLY
which NERVES PASS THROUGH the SUPERIOR ORBITAL FISSURE (Middle Cranial Fossa)
- OCULOMOTOR (III)
- TROCHLEAR (IV)
- ABDUCENS (VI)
- OPTHALMIC BRANCH of TRIGEMINAL (V)
where is the FORAMEN ROTUNDUM found
MIDDLE CRANIAL FOSSA
which NERVE PASSES THROUGH the FORAMEN ROTUNDUM (middle cranial fossa)
MAXILLARY BRANCH of the TRIGEMINAL NERVE (V)
FORAMEN OVALE of skull is found where
MIDDLE CRANIAL FOSSA
which NERVE passes through the FORAMEN OVALE (middle cranial fossa)
MANDIBULAR BRANCH of the TRIGEMINAL NERVE (V)
INTERNAL ACOUSTIC MEATUS is found where
POSTERIOR CRANIAL FOSSA - ANTERIORLY
which NERVES PASS THROUGH the INTERNAL ACOUSTIC MEATUS
FACIAL NERVE (VII)
VESTIBULOCOCHLEAR NERVE (VIII)
JUGULAR FORAMEN is found where
POSTERIOR CRANIAL FOSSA
which NERVES PASS THROUGH the JUGULAR FORAMEN (posterior cranial fossa)
GLOSSOPHARYNGEAL (IX)
VAGUS (X)
ACCESSORY (XI)
HYPOGLOSSAL CANAL found where and what passes through
POSTERIOR CRANIAL FOSSA
- HYPOGLOSSAL NERVE ROOTLETS pass through
FORAMEN MAGNUM found where
POSTERIOR CRANIAL FOSSA
what PASS THROUGH the FORAMEN MAGNUM
MEDULLA OBLONGATA
SPINAL PORTION of ACCESSORY NERVE
OPTHALMIC BRANCH of TRIGEMINAL NERVE passes through which foramen and fossa
SUPERIOR ORBITAL FISSURE of the MIDDLE CRANIAL FOSSA
MAXILLARY BRANCH of TRIGEMINAL NERVE passes through which foramen and fossa
FORAMEN ROTUNDUM of the MIDDLE CRANIAL FOSSA
MANDIBULAR BRANCH of TRIGEMINAL NERVE passes through which foramen and fossa
FORAMEN OVALE of the MIDDLE CRANIAL FOSSA
GLOSSOPHARYNGEAL, VAGUS & ACCESSORY NERVES (9,10,11) pass through the…
JUGULAR FORAMEN of the POSTERIOR CRANIAL FOSSA
(but spinal portion of the accessory nerve passes through foramen magnum)
MEDULLA OBLONGATA passes through the…
FORAMEN MAGNUM of the POSTERIOR CRANIAL FOSSA
VESTIBULOCOCHLEAR NERVE (8) passes through the..
INTERNAL ACOUSTIC MEATUS of the POSTERIOR CRANIAL FOSSA
OCCULOMOTOR, TROCHLEAR, ABDUCENS and OPTHALMIC BRANCH of TRIGEMINAL (4,5,6) pass through the…
SUPERIOR ORBITAL FISSURE of the MIDDLE CRANIAL FOSSA
FACIAL NERVE (7) passes through the..
INTERNAL ACOUSTIC MEATUS of the POSTERIOR CRANIAL FOSSA
OLFACTORY NERVES (1) pierce through what..
CRIBRIFORM PLATE of the ANTERIOR CRANIAL FOSSA
