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21 Cards in this Set
- Front
- Back
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Supraorbital foramina
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supraorbital nerve and artery
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Frontal bone
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forms the forehead (the anterior part of the cranium), roofs of the orbits (eye sockets) and most anterior part of the cranial floor
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Cranial/Frontal Bones
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Frontal, Parietal, Occipital, Lacrimal, Sphenoid, Nasal, Temporal, Ethmoid, Palatine, Vomer, Zygomatic, Inferior Nasal Concha, Maxilla, Mandible
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Supraorbital foramina
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supraorbital nerve and artery
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Parietal Bones
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form the greater portion of the sides and roof of the cranial cavity. The internal surface contain many protrusions and depressions that accommodate the blood vessels supplying dura matter, superficial CT (meninx) covering the brain.
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Temporal Bones
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form the inferior lateral aspects of the cranium and part of the cranial floor
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Carotid canal (foramina)
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internal carotid artery to brain
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Jugular foramina
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between temporal and occipital bones: internal jugular vein
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External auditory (acoustic) meatus
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external ear canal
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Mastoid Foramina
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emissary vein to transverse sinus, branch of occipital artery to dura
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Stylomastoid foramina
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facial nerve (VII) and stylomastoid artery
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Occipital bone
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Forms the posterior part and most of the base of the cranium. back of head; goes deep. designated by lamboidal suture
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Foramen Magnum
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Medulla oblongata (connects with spinal cord in foramen magnum) and spinal cord, vertebral and spinal arteries (with accessory nerve)
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Hypoglassal canal
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Hypoglassal nerve (XII), branch of ascending pharyngeal artery
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Sphenoid bone
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lies at the middle part of the base of the skull; it articulates with all other cranial bones, holding them together. The sphenoid bone joins anteriorly with frontal and ethmoid bones, laterally with the temporal bones, and posteriorly with the occipital bones. It lies posterior and slightly superior to the nasal cavity and forms part of the floor, side walls, and rear wall of the orbit. forms wedge between anterior and middle fossa; anchors the cranium and facial bones
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Optic foramina
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optic nerve (II) and opthalamic artery
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Ethmoid bone
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delicate bones located in the anterior part of the cranial floor, medial to the orbits and is spongelike in appearance. deep wedge between eyes
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Olfactory foramina
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Olfactory nerve (I) fibers
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Maxillae
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jawbones (two bones) unite to form the upper jawbone. form part of the floors of the orbits, part of the lateral walls, and floor of nasal cavity and most of the hard plate.
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Inferior Orbital Foramina
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an openingin the maxilla inferior to the orbit, allows passage of the infraorbital nerve and atery
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Incisive foramen
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(= incisor teeth) just posterior to the incisor teeth. branches of greater palatine vessels and nasopalatine nerve
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