Neuroscience Practical 1 Flashcards
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Structures in the anterior cranial fossa
3 listed
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- Frontal bone
- Ethmoid bone (Crista Galli and cribiform plate)
- Sphenoid bone (lesser wings)
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Structures of the middle cranial fossa
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- Sphenoid bone (greater wings of the sphenoid bone and hypophyseal fossa)
- Temporal Bone (petrous part, grooves for the middle meningeal artery)
- Optic canal
- foramen rotundum
- superior orbital fissure
- greater wing of the sphenoid bone
- carotid canal
- foramen spinosum
- foramen ovale
- foramen lacerum
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Structures of the posterior cranial fossa
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- Occipital bone (cerebellar fossa)
- internal acoustic meatus in the temporal bone
- jugular foramen
- groove for the sigmoid sinus
- foramen magnum
- hypoglossal canal
- groove for the transverse sinus
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Cranial dura layers
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- endocranium is the periosteum of the inner surface of the cranial bones
- the meningeal layer is analogous to dura covering the spinal cord
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foramina in cribriform plate
Olfactory nerves CN I
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Optic Canal identify and what passes through
Optic Nerve (CN II)
Ophthalmic artery
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Superior orbital fissure and passes
5 listed
* Ophthalmic veins
* Oculomotor nerve
* Trochlear nerve
* Ophthalmic Nerve
* Abducens nerve
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Foramen Rotundum and passes
Maxillary nerve (V2)
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Foramen Ovale and passes
Mandibular nerve (V3)
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Carotid Canal and passes
Internal Carotid Artery
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Foramen Spinosum and passes
Middle Meningeal vessels
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Internal acoustic meatus and passes
* Facial Nerve (CN VII)
* Vestibulocochlear nerve (CNVIII)
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Jugular foramen and passes
* Sigmoid sinus
* Glossopharyngeal nerve (CN IX)
* Vagus nerve (CN X)
* Accessory nerve (CN XI)
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Hypoglossal Canal and Passes
Hypoglossal Nerve (CN XII)
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Foramen Magnum and Passes
4 listed
* vertebral arteries
* accessory nerves (spinal contribution to CN XI)
* Medulla oblongata and meninges
* Anterior and posterior spinal arteries
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Middle Meningeal Artery enters the cranial cavity through?
Foramen Spinosum
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Visceral compartment of the neck
anterior and contains
esophagus
trachea
thyroid gland
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The vertebral compartment of the neck
posterior and contains the cervical vertebrae and muscles associated with the vertebral column
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Two vascular compartments of the neck
* carotid artery
* internal jugular
* vagus nerve (CN X)
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Investing fascia
surrounds all structures of the neck
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Prevertebral fascia
surrounds the vertebral column and the deep muscles associated with the back
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Pretracheal fascia
encloses the viscera of the neck
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Carotid Sheath
surrounds the two major neurovascular bundles on either side of the neck
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