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56 Cards in this Set
- Front
- Back
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SSA
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Afferent impulses for vision, hearing, and balance
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SVA
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afferent impulses for taste and olfaction
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SVE
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motor impulses to striated muscles of pharyngeal arch origin
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origin, insertion, innervation of platysma
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fascia of deltoid & pectroalis major --> inferior margin of mandible
Facial nerve |
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Innervation of trapezius and SCM
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CN XI
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Origin and insertion of SCM
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two heads of manubrium and medial 1/3 of clavicle --> lateral aspect of mastoid process
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Facial layers of neck
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investing fascia
visceral fascia prevertebral fascia |
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Borders of anterior triangle
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midline, SCM, mandible
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Triangles within anterior triangle
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submental
submandibular carotid muscular |
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Borders and contents of submental triangle
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anterior bellies of digastrics and hyoid bone
Floor is mylohyoid Submental lymph nodes |
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Borders, floor, and contents of submandibular triangle
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anterior and posterior bellies of digastric muscles and mandible
floor is mylohyoid, hypoglossus, and middle pharyngeal constrictor Contains submandibular gland and duct, portion of facial vessels, hypoglossal nerve, and nerve to mylohyoid muscle |
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Borders of carotid triagnle
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superior belly of omohyoid, posterior belly of digastric, anterior border of SCM
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Contents of carotid triangle
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CCA and bifurcation, IJV, and vagus in carotid sheath; deep cervical lymph nodes, carotid body and sinus, portion of CN XII, portion of cervical plexus and ansa cervicalis
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Origins of right and left CCA
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Right: terminal branch of branchiocephalic trunk
Left: arch of aorta |
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Nerve that carries afferent fibers from carotid body and sinus
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CN IX
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Branches of carotid artery
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superior thyroid
ascending pharyngeal lingual facial occipital posterior auricular maxillary superficial temporal |
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what forms ansa cervicalis?
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VPR of C1 and C2-3
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borders and contents of muscular triangle
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superior belly of omohyoid, anterior border of SCM, midline
Infrahyoid "strap" muscles and cervical viscera |
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Borders, roof, and floor of posterior triangle
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SCM, trapezius, clavicle
Roof is cervical investing fascia Floor is prevertebral fascia |
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What subdivides posterior triangle into occipital and supraclavicular triangles?
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inferior belly of omohyoid
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Contents of posterior triangle
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Vessels: 3rd portion of subclavian artery and branches, subclavian vein, EJV, transverse cervical and suprascapular arteries
Nerves: accessory nerve, parts of cervical plexus, roots of brachial plexus |
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Strap muscles
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omohyoid
sternohyoid sternothyroid thryohyoid |
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what is inferior thyroid artery a branch of?
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thyrocervical trunk arising from subclavian artery
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Derivation of superior thyroid glands
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4th pharyngeal pouch
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Derivation of inferior thyroid glands
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3rd pharyngeal pouch with thymus
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Blood supply of parathyroid glands
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inferior thyroid artery
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Boundaries of root of the neck
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manubrium, 1st ribs, body of T1 vertebra
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arterial structures in root of the neck
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Left: common carotid and subclavian arteries
Right: brachiocephalic trunk from which common carotid and subclavian arteries arise |
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3 branches of 1st part of subclavian artery
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vertebral artery
internal thoracic artery thyrocervical: inferior thyroid, suprascapular, transverse (superficial) cervical |
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What originates from 2nd part of subclavian artery?
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costocervical trunk
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What originates from 3rd part of subclavian artery?
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dorsal scapular artery
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What do phrenic nerves travel over?
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anterior scalene
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Vagus travels where in carotid sheath?
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posterior
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What motion happens at occipital condyles and atlas joint?
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nodding motion
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What action happens at atlantoaxial joint?
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side to side rotation limited by alar ligaments
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suture between parietal bones
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sagittal
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suture between frontal and parietal bones
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coronal
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suture between occipital and parietal bones
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lambdoid
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intersection between sagittal and coronal sutures
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bregma
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intersection between sagittal and lambdoid sutures
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lambda
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junction of frontal, parietal, temporal, and sphenoid bones
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pterion
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important branches of CN V1
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supraorbital
supratrochlear lacrimal external nasal |
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important branches of CN V2
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infraorbital
zygomaticofacial zygomaticotemporal |
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important branches of CN V3
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mental
buccal auriculotemporal |
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Course of parotid duct
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emerges from anterior border of gland, traverses face on surface of masseter and pierces buccinator to empty opposite 2nd upper molar
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Structures that pass through the parotid gland
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facial nerve and its divisions
retromandibular vein external carotid artery |
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sensory innervation ot the parotid
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auriculotemporal nerve (from CN V3)
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secretomotor parasympathetics to parotid
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from glossopharyngeal nerve via otic ganglion
Postganglionics in auriculotemporal |
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arterial supply to anterior part of scalp
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supraorbital and supratrochlear arteries
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arterial supply to lateral aspect of scalp
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superficial temporal artery and posterior auricular artery
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arterial supply to posterior part of scalp
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occipital artery
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innervation to anterior part of scalp
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supraorbital and supratrochlear
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innervation of lateral part of scalp
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zygomaticotemporal to temple
auriculotemporal |
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innervation to posterior part of scalp
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branches of C2 & C3
Greater occipital nerve lesser occipital nerve |
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What is deep to the pterion?
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middle meningeal artery
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branches of facial artery
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inferior and superior labial arteries, septal branch, angular artery
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