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71 Cards in this Set
- Front
- Back
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last place to ossify in the skull
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spheno-occipital synchondrosis
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type of ossification of the calvarium
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intamembranous
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time of complete ossification of calvarium
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3 years after birth
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suture in infant between two frontal bones
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metopic
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suture between parietal bones
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sagittal
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anterior fontanelle after closure around 2 years old
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bregma
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suture between sphenoid and parietal bone
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pterion
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cancelous bone containing red bone marrow
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diploe
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4 diploic veins that drain into venous sinus
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frontal
parietal temporal occipital |
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veins that connect veins of scalp to dural venous sinuses inside the skull
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emissary veins
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contains corpora aranaceae and can detect displacement of the brain
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pineal gland
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Anterior Cranial Fossa:
clinoid process is attached to which bone |
shenoid
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foramen rotundum leads to
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pterygopalatine fossa
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gap between greater and lesser sphenoid wings
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superior orbital fissure
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hypophyseal fossa / sella turcica is contained in what bone
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body of the sphenoid
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measurement of sella turcica
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14 mm long and 8 mm deep
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enters scull through foramen spinosum
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middle meningeal artery
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middle meningeal artery branches
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anterior branch --> frontal and parietal branches
posterior branch |
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clivus
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located in posterior cranial fossa leading up to the body of the sphenoid
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location of hypoglossal canal
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lateral border of foramen magnum
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location of internal auditory meadus
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posterior aspect of petrous temporal bone
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position of superior semicircular canal
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arcuate eminence on the petrous portion of the temporal bone
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location of carotid canal
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petrous portion of the temporal bone
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opening of nasal cavity
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choanae
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path of internal carotid artery
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enters the carotid canal then runs anteromedially to the foramen lacerum, then to cavernous sinus and breaks into three branches
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lateral wall of orbit
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zygomatic and maxilla
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medial wall of orbit
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ethmoid and lacrimal bone
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motor innervation of orbicularis oculi
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facial nerve
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afferent nerve of orbicularis oculi
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trigeminal (V1)
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innervation of levator palpebrae superioris
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oculomotor nerve
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muscles of mastication
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masseter
temporalis lateral and medial pterygoid muscle |
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development of muscles of mastication
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from first brachial arch
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innervation and insertion of temporalis muscle
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innervation: deep temporal nerves
insertion: coronoid process and anterior border of ramus of mandible |
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origin and insertion of lateral pterygoid
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lateral surface of the lateral pterygoid plate to the neck of the mandible
ONLY MUSCLE TO OPEN THE JAW |
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origin and insertion of medial pterygoid muscle
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medial surface of the lateral pterygoid plate to the deep surface of the mandible
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innervation of pterygoid muscles
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pterygoid nerves
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communications of facial vein
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superior / inferior othalmic veins
pterygoid venous plexus superficial temporal veins |
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three structures that pass through parotid gland
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facial nerve, retromandibular vein and external carotid artery
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ligament formed from medial thickening of the deep cervical fascia covering the parotid gland
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stylomandibular ligament
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facial nerve passes through what foramen?
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stylomastoid foramen
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6 branches of facial nerve
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posterior auricular nerve
temporal zygomatic buccal marginal mandibular cervical |
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forms retromandibular vein
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maxillary and superficial temporal vein
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facial vein and anterior branch of retromandibular vein drain into
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internal carotid artery
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posterior auricular vein and posterior branch of retromandibular vein drain into...
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external carotid artery
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scalp attaches to what laterally?
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zygomatic arch
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Galea aponeurotica
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epicranial aponeruosis
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layers of scalp
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S - Skin
C - Connective tissue A - Aponeurosis L - Space P - Periosteum |
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Anastamosing arteries of scalp
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Supratrochlear artery
Supraorbital artery Superficial temporal artery Posterior auricular artery Occipital artery |
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Anterior innervation to scalp
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Branches of Trigeminal nerve:
Supratrochlear Suprorbital zygomaticotemporal nerve auriculotemporal |
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Posterior innervation to scalp
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lesser occipital (C2,3)
greater occipital (C2) third occipital (C3) |
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premature closure of the sagittal suture
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scaphocephaly
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premature closure of the coronal suture
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oxycephaly
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premature closure of coronal or lambdoid suture
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plagiocephaly
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artery that runs deep to the mandible and enters the infratemporal region
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maxillary artery
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Berry Aneurysm
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most common type of saccular aneurysm occurring in vessels near the cerebral arterial circle and the medium arteries at the base of the brain
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acute cortical infarction
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sudden insufficiency of arterial blood to the brain
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Le Fort I
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mustache break
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Le Fort II
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across area between eyes, and under eye to lower maxillary bone
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Le Fort III
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where the superior rim of glasses would be
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comminuted fracture
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bone broken into several pieces
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premature closure of sagittal suture
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scaphocephaly
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premature closure of coronal or lambdoid sutute
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plagiocephaly
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premature closure of coronal suture
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oxycephaly
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ecchymosis
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purple patches around eyes
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mandibular nerve block
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needle inserted into infratemporal fossa through mandibular notch
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fracture of body of the mandible
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frequently passes through socket of canine tooth
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fracture of the angle of the mandible
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oblique and may involve the bony socket or alveolus of the 3rd molar tooth
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mandibular prognathism
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over-closure of jaw caused by loss of teeth
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comminuted fracture
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bone is broken into several pieces (skull)
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age of suture obliteration
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internal surface: 30-40 years
external surface: 40-50 years |
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craniosynostosis
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premature closure of the cranial sutures
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