1 Cross-Sectional Anatomy Head Image Study CD

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3 CT Scout / Head

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5 Legend for Slide # 3 a = Pons b = Cerebellum c = Temporal Lobe d = Frontal Sinus e = Sphenoid Sinus f = Basilar Artery

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7 Legend for Slide # 5 a.= Frontal Lobe b.= Basilar Artery c.= Frontal Sinus d.= Frontal Bone e.= Temporal Bone f.= Crista Galli g.= Falx Cerebri h.= Sella Turcica i.= Temporal Lobe

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9 Legend for Slide # 7 a.= Cerebellar Vermis b.= Middle Cerebral Artery c.= Roof of the Orbit (remnant) d.= Pontine Cistern e.= Anterior Cerebral Artery

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11 Legend for Slide # 9 a.= Cerebral Peduncle b.= Mid-Brain c.= Frontal Bone d.= Occipital Bone e.= Parietal Bone f.= Posterior Cerebral Artery g.= Fourth Ventricle h.= Falx Cerebri i.= Frontal Sinus j.= Internal Occipital Protuberance

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13 Legend for Slide # 11 a.= Fourth Ventricle b.= Tentorium Cerebelli c.= Third Ventricle d.= Sternocleidomastoid Muscle e.= Choroid Plexus f.= Superior Sagittal Sinus g.= Insula (Isle of Reil) h.= Sylvian Fissure

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15 Legend for Slide # 13 a.= Septum Pellucidum b.= Falx Cerebri c.= Anterior Horn of the Lateral Ventricle d.= Pineal Gland (calcified) e.= Occipital Lobe f.= Cerebellar Vermis g.= Posterior Horn of the Lateral Ventricle h.= Choroid Plexus

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17 Legend for Slide # 15 a.= Great Cerebral Vein (Great Vein of Galen) b.= Septum Pellucidum c.= Lateral Ventricle (Choroid Plexus) d.= Falx Cerebri e.= Corpus Callosum (Splenium) f.= Parietal Lobe g.= Frontal Lobe h.= Occcipital Lobe i.= Temporalis Muscle

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20 Legend for Slide # 18 a.= Sulcus (sulci) b.= Gyrus (gyri)

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22 Legend For Slide # 20 a.Maxillary Sinus b.Nasal Septum c.Sphenoid Sinus d.Basilar Artery e.Pons f.Lateral and Medial Pterygoid Muscles g. Sphenoid Bone h.Nasal Conchae i.Internal Carotid Artery j.Branch of Facial Vein

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24 Legend for Slide # 22 a.= Lens of Eye b.= Globe of Eye c.= Lateral Rectus Muscle d.= Medial Rectus Muscle e.= Optic Nerve f.= Ophthalmic Artery g.= Temporalis Muscle

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26 Legend for Slide # 24 a.= Maxillary Sinus b.= Superior Rim of the Orbit (Frontal Bone) c.= Optic Nerve (Canal) d.= Medial Rectus Muscle e.= Inferior Rectus Muscle f.= Levator Palpabrae g.= Lateral Recus Muscle h.= Ethmoid Sinus

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28 Legend for Slide #26 a.= Genu of Corpus Callosum b.= Body of Corpus Callosum c.= Pons d.= Sphenoid Sinus e.= Fourth Ventricle f.= Frontal Sinus g.= Splenium of Corpus Callosum h.= Tentorium Cerebelli

29 Legend for Slide #26 Continued i.= Medulla Oblongata j.= Crista Galli k.= Thalamus l.= Spinal Cord m.= Nasopharynx n.= Pineal Gland o.= Occipital Lobe p.= Pituitary Gland (Hypophysis) q.= Optic Chiasm r.= Odontoid Process/Dens

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31 Legend for Slide #28 a.Mandible b.Uvula c.Spinal Cord d.Parotid Gland e.Retromandibular Vein f.Dens/Odontoid Process g.Vertebral Artery h.Masseter Muscle

32 Basal Ganglia

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34 Mimetic Muscles / Legend for slide #32 The Mimetic muscles are the muscles of facial expression. Many originate or insert in the skin. All are innervated by the Facial nerve. Blood supply is from the ophthalmic, facial, submental, transverse facial and superficial temporal arteries. 1. Frontalis 2. Orbvicularis Oculi 3. Nasalis 6. Zygomaticus major 7. Zygomaticus minor 9. Orbicularis oris 16. Buccinator