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