SEM 3: Head and neck I

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which bones meet at the pterion and which vessel runs under it
Parietal, temporal, frontal and sphenoid. Middle meningeal Artery from External carotid runs beneath
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which bones form the zygomatic arch
temporal and zygomatic
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what are the boundaries of the orbital apature
supraorbital margin and infraorbital margin. superior and inferior orbital fissure and optic foramen.
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what does the coronal suture separate
frontal and parietal
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what does the frontal suture separate
divides 2 halves of frontal bone
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what does the sagittal suture separate
parietal bones
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what does the lambdoid suture separate
Parietal and occipital
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what is the condylar process of the mandible
posterior attachment to the skull
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what is the coronoid process of the mandible
anterior attachment to the skull
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what is the ramus of the mandible
vertical aspect of posterior mandible
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what is the body of the mandible
where teeth attach
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what is the angle of the mandible
where the ramus and body meet
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what is the oblique line of the mandible
a ridge running from the wisdom teeth to mental protuberance
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what runs through the foramen magnum
medulla, meninges, vertebral arteries, spinal arteries, accessory nerves and dural veins
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what runs through the foramen ovale
accessory meningeal artery, V3
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what runs through the foramen spinosum
middle meningeal artery, middle meningeal vein and V3
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what forms the temporomandibular joint
stylomandibular ligament (lateral) and sphenomandibuar ligament (medial)
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what travels through the temporomandiblar joint
inferior alveolar n. ,lingual n. and inf. alveolar artery travel under sphenomandibular ligament
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what bones join at the eye socket
maxilla, lacrimal, ethmoid, sphenoid and zygoma
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what is the function of the masseter
mandibular elevation
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what is the function of the temporalis
mandibular elevation and retraction
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what is the function of the medial pterygoid
mandibular elevation and side to side movements
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what is the function of the lateral pterygoid
mandibular protrusion and side to side movements
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what is the origin and insertion of the masseter
origin: deep= zygomatic arch, superficial=maxillary process of zygomatic bone. insertion: lateral surface of ramus
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what is the origin and insertion of the temporalis
origin: temporal fossa. insertion: anterior margin of ramus and coronoid process of mandible
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what is the origin and insertion of the medial pterygoid
origin: deep= medial aspect of lateral plate of ptyergoid, superficial=tuberosity of maxilla. insertion: medial surface of ramus
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what is the origin and insertion of the lateral pterygoid
upper: origin: roof of infra temporal fossa insertion: TMJ capsule. lower: origin: lateral aspect of lateral plate of ptyergoid insertion: condylar process of mandible
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what is the innervation of the masseter
Mandibular nerve (V3)
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what is the innervation of the temporalis
Mandibular nerve (V3)
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what is the innervation of the medial pterygoid
Mandibular nerve (V3)
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what is the innervation of the lateral pterygoid
Mandibular nerve (V3)
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what nerve supplies the muscles of the face
Facial nerve (CN VII)
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what is the action of the orbiculares oculi
closes eye lids
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what is the action of the orbiculares iris
moves lips
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what is the action of the transverse nasalis
scrunches nose
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what is the action of the alar nasalis
lowers lips
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what is the action of the buccinator
whistling
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what is the action of the modulus
forms the dimples
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what vessel supplies the whole of the face
external carotid
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what are the pre-parotid branches of the external carotid
superior thyroid a., linguinal a., facial a., ascending palatine a., ascending pharyngeal a.
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what are the post-parotid branches of the external carotid
maxillary a. and temporal a.
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what is the venous drainage of the face
sup. and inf. alveolar v. -> cavernous sinus (which joins with emissary veins) -> retro-mandibular v.
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what vessels run through the parotid gland
retro-mandibular v., external carotid, fascial n.
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what branches are from the first part of the maxillary artery
middle meningeal (via foramen spinosum) and accessory meningeal (via foramen ovale), and inferior alveolar which travels through the linguinal foramen to become the mental a.
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what branches are from the second part of the maxillary artery
pterygoidal a.s
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what branches are from the third part of the maxillary artery
enters the infra orbital foramen to form palatine and temporal branches
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what structures form the borders of the oral cavity
tongue, soft and hard palate, auditory canal, post.wall of pharynx, *****
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what is the arrangement of the structure in the oral cavity from ant. to post.
palatoglossal arch, palatine tonsil, palatopharyngeal arch, oropharynx
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what glands form saliva
parotid (pierces buccinator), submandibular and sublingual
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what are the relations of the tongue
inferior surface: frenulum in midline w/ lingual veins either side. sub mandibular and sublingual gland drain inferior/posterior, lingual tonsil at the back of tongue, hyoid bone bellow.
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what are the attachments of the hyoid bone
mandible via myohoid and geniohyoid muscles
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what are the three types of tongue cells and how are they positioned on the tongue
fungiform papilla (lateral), filiform papilla (medial, split by sulcus midline), vallate papilla (v-line at back)
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what does the hypoglossal nerve innervate
all intrinsic tongue muscles (superior and inferior longitudinal, transverse and vertical) and some extrinsic (genioglossus, hyoglossus, styloglossus)
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what is the innervation of the Palatoglossus and *****
vagus
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what innervates the posterior 3rd of the tongue
pharyngeal - taste and general sensation
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what innervates the anterior 2/3rd of the tongue
facial - taste sensation, lingual - general sensation
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where is the parotid gland
behind ramus of mandible
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where is the parotid duct
on ant. border of masseter, pierces buccinator
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where is the parotid papilla
opposite 2nd upper molar
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what is the innervation of the parotid gland
glossopharyngeal
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what are the divisions of the facial n. from inf. to sup.
cervical, mandibular, buccal, zygomatic, temporal
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what are the cutaneous nerves of the head and neck
ant.: V1-ophthalmic (eyes, nose,ears), V2-maxillary (bellow eyes and zygomatic), V3- mandibular (buccal and mental). post.: greater occipital (dorsal cervical ramus) for back of head and lesser occipital (from cervical plexus) for back of neck.
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what is the order of supra-hyoid muscles (sup. to inf.)
digastric, geniohyoid, stylohyoid, mylohyoid, submandibular gland
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Other cards in this set

Card 2

Front

which bones form the zygomatic arch

Back

temporal and zygomatic

Card 3

Front

what are the boundaries of the orbital apature

Back

Preview of the front of card 3

Card 4

Front

what does the coronal suture separate

Back

Preview of the front of card 4

Card 5

Front

what does the frontal suture separate

Back

Preview of the front of card 5
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