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55 Cards in this Set
- Front
- Back
Fibers from the ___ of each retina cross to the opposite side of the brain
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Nasal half (medial side)
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Fibers from the ___of the retina remain uncrossed
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Temporal half (lateral side)
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Fibers from the right half of each retina of both eyes form the ________
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Right optic tract
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Fibers from the left half of each retina of both eys from the _________
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Left optic tract
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the right optic tract conveys impulses from the ____ of the visual fields.
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Left halves
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The left optic tract conveys impulses from the _____ of the visual fields
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Right halves
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___ innervate skeletal muscles and smoth muscles
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Oculomotor nerve (CN III)
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Oculomotor nerve invervate extrinsic eye muscles : ____(5)
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Superior rectus
Medial rectus inferior rectus inferior oblique levator palpebrae superioris |
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___is the preganglionic parasympathetic nerurons
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Oculomotor nerve (CN III)
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The preganglionic parasympathetic neurons are involved with innervating :___
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Iris
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Oculomotor nerve exits the ___ since its carnial nerve nuclei are located there.
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Mesencephalon
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__is the smllest carnial nerve in terms of diameter
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Trochlear nerve (CN IV)
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___is the only cranial nerve to exit the brain stem dorsally
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Trochlear nerve (CN IV)
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____ innervates the superior oblique muscles. Exit the skull via the ____
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Trochlear nerve (CN IV)
Superior orbital fissure |
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___is the largest of the caranial nerves and exits the pons
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Trigeminal nerve (CN V)
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___innervates the lateral rectus mm.
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Abducens (CN VI)
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Abducens exit the skull via the _____
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Superior orbital fissure
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___is cranial nerve # 7
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Facial nerve
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__is caranial nerve # 8
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Vestibulochochlear
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Vestibulochlear originates from _______(nerve) and ______(nerve)
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Organ of Corti - auditory nerve
Semicircular Canals- Vestibular nerve |
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___is cranial nerve # 9
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Glossopharyngeal
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___is cranial nerve # 10
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Vagus
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Facial nerve exits the skull via the _____ and ____
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Internal acoustic meatus
Stylomastoid foramen |
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Glossopharyngeal extis the skull via the ___
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Jugular foramen
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Vagus nerve exits the skull viaa the ____
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Jugular foramen
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___is cranial nerve # 11
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Spinal accessory nerve
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spinal accessory nerve innervates the muscles in the walls of the ____and ___
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Pharynx
Larynx |
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spinal accessory nerve innervates the _____ and ____muscles
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Sternomastoid
Trapezius |
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Spinal accessory have 2 portions: ______ and ____
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Spinal
Cranial |
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___is cranial nerve # 12
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Hypoglossal nerve
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___innervates the extrinsic and intrinsic muscles of the tongue
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Hypoglossal nerve (CN #12)
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Hypoglossal nerve innervate extrinsic and instrinsic muscles of the tongue except _____
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Palatoglosseus
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Hypoglossal exits the skull via the _____________
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Hypoglossal canal in the occipital bone
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___is a space between the lips and cheeks externally
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Vestibule
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a space between the gums and teeth internally
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Vestibule
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Lies just inside the oral orifice
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Vestibule
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Area just posterior to the vestibule
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Oral cavity
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Connective tissue lined with mucus membrane covering the alveolar margins
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Gingiva (gums)
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There are 20 ____ teeth
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Deciduous (temporary)
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A muscular organ, involved with swallowing, mastication, articular speech etc.
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Tongue
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Instrinsic tongue muscles: ____(4)
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Superior longitudinal
Inferior longitudinal Transverse mm. Vertical mm. |
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Intrinsic muscles of the tongue innervated by _____
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Hypoglossal nerve (XII)
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Extrinsic tongue Muscles: _____(5)
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Hyoglossus
Styloglosseus Genioglosseus Geniohyoid Palatoglossus |
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Extrinsic tongue muscles innervated by _____ except ___
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Hypoglossal nerve (CN XII)
Palatoglossus |
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Anterior 2/3 of the tongue lies in the ______
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Oral cavity
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Posterior 1/3 of the tongue lies int the __________
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Oral pharynx
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Arterial blood of the togue
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2 lingual artery which are braches of the external carotid
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Venous return flow of the tongue
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lingual v -- facial v -- anterior division of retromandibular v -- internal jugular v -- brachiocephalic v
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Beneath the tongue in the floor are located the _____
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Sublingual glands
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External nose bony structures
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Nasal bone
Nasal part of the maxilla Nasal part of the frontal bone |
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Externally: 2 lateral parts of the nose
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Alar cartilage (surround the nares)
Lateral nasal cartilage |
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Internally: Nasal septum has 2 portions
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Superior: perpendicular plate of the ethmoid bone
Inferior: vomer bone |
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Floor of the internal nasal bone
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Palatine process of the maxillae
Horizontal plate of the palatine bone |
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Lateral wall of nasal bone
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Superior, middle, and inferior nasal conchae
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Roof of the nasal bone
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Cribriform plate of eithmoid
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