Term
| The cranium is divided into two major areas, what are these areas called? |
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Definition
1. The craniul vault- calvaria
2. The cranial floor- base |
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Term
| The skull is composed of two sets of bones. These are called? |
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Definition
1. The cranium
2. the facial bones |
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Term
| The anterior, middle, and posterior cranial fossae are all three distinct cavities of what? |
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Definition
| The cranial floor or base. |
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Term
| Which bone covers the anterior portion of the cranium, forms the forehead, superior part of the orbit, and floor of anterior cranial fossa? |
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Definition
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Term
| An opening above each orbit allowing blood vessels and nerves to pass. |
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Definition
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Term
| The smooth area between the eyes? |
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Definition
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Term
| Posterolateral to the frontal bone, forming sides of cranium. |
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Definition
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Term
| Midline articulation point of the two parietal bones. |
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Definition
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Term
| Point of articulation of parietals with frontal bone. |
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Definition
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Term
| Inferior to the parietal bones on lateral skull. |
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Definition
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Term
| The temporal bone can be divided into four major parts. List these parts. |
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Definition
1. squamous region
2. tympanic region
3. mastoid region
4. petrous region |
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Term
| Point of articulation of the temporal bone with the parietal bone. |
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Definition
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Term
| A bridgelike projection joining the zygomatic bone anteriorly. Together these 2 bones form the zygomatic arch. |
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Definition
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Term
| Rounded depression on the inferior surface of the zygomatic process, forms the socket for the mandibular condyle, the point where the mandible (lower jaw) joins the cranium. |
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Definition
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Term
| Canal leading ot eardrum and middle ear. |
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Definition
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Term
| Needlelike projection inferior to external auditory meatus; attachment point for muscles and ligaments of the neck. This process os often broken off demonstrations. |
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Definition
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Term
| Rough projection inferior and posterior to external auditory meatus, attatchment site for muscles. |
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Definition
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Term
| Tiny opening between the mastoid and styloid processes through which cranial nerve 7 leaves the cranium. |
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Definition
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Term
| Tiny opening between the mastoid and styloid processes through which cranial nerve 7 leaves the cranium. |
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Definition
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Term
| Opening medial to the styloid process through which the internal jugular vein and cranial nerves IX, X, and XIpass. |
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Definition
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Term
| Opening medial to the styloid process through which the internal carotid artery passes into the cranial cavity. |
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Definition
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Term
| Opening on posterior aspect of temporal bone allowing passage of cranial nerves 7 and 8. |
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Definition
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Term
| A jagged opening between the petrous temporal bone and the sphenoid providing passage for a number of small nerves and for hte internal carotid artery to enter the middle cranial fossa. |
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Definition
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Term
| Most posterior bone of cranium, forms floor and back wall. Joins sphenoid bone anteriorly via its narrow basioccipital region. |
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Definition
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Term
| Site of articulation of occipital bone and parietal bone. |
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Definition
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Term
| Large opening in base of occipital, which allows the spinal cord to join with the brain. |
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Definition
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Term
| Rounded projections lateral to the foramen magnum that articulate with the first cervical vertebra (atlas). |
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Definition
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Term
| Opening medial and superior to the occipital condyle through which the hypoglossal nerve (cranial nerve XII) passes. |
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Definition
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Term
| Portions of the sphenoid seen exteriorly anterior to the temporal and forming a part of the eye orbits. |
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Definition
| Greater wings of the shenoid bone |
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Term
| Jagged openings in orbits providing passage for cranial nerves 3,4,5,6, to enter the orbit where they serve the eye. |
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Definition
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Term
| A saddle-shaped region in the sphenoid midline which nearly encloses the pituitary gland. |
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Definition
| Sella Turcica (Turks sadle) |
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Term
| The pituitary gland sits in the _______portion of the sella turcica. |
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Definition
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Term
| Bat-shaped portions of the sphenoid anterior to the sella turcica. |
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Definition
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Term
| Openings in the bases of the lesser wings through which the optic nerves enter the orbits to serve the eyes. |
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Definition
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Term
| Opening lateral to the sella turcica providing passage for a branch of the fifth cranial nerve. |
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Definition
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Term
| Opening posterior to the sella turcica that allows passage of a branch of the fifth cranial nerve. |
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Definition
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Term
| Opening posterior to the sella turcica that allows passage of a branch of the fifth cranial nerve. |
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Definition
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Term
| Opening posterior to the sella turcica that allows passage of a branch of the fifth cranial nerve. |
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Definition
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Term
| Irregularly shaped bone anterior to the sphenoid. Forms the roof of the nasal cavity, upper nasal septum, and part of the medial orbit walls. |
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Definition
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Term
| Vertical projection providing a point of attachment for the dura mater, helping ot secure the brain within the skull. |
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Definition
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Term
| Bony paltes lateral to the crista galli through which olfactory fibers pass to the brain from the nasal mucosa. |
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Definition
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Term
| Bony paltes lateral to the crista galli through which olfactory fibers pass to the brain from the nasal mucosa. |
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Definition
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Term
| Bony paltes lateral to the crista galli through which olfactory fibers pass to the brain from the nasal mucosa. |
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Definition
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Term
| Inferior projection of the ethmoid that forms the superior part of the nasal septum. |
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Definition
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Term
| Thin, delicatly coiled p[lates of bone extending medially from the lateral masses of ethmoid into the nasal cavity. |
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Definition
| Superior and middle conche |
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Term
| Thin, delicatly coiled p[lates of bone extending medially from the lateral masses of ethmoid into the nasal cavity. |
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Definition
| Superior and middle conche |
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Term
| Thin, delicatly coiled p[lates of bone extending medially from the lateral masses of ethmoid into the nasal cavity. |
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Definition
| Superior and middle conche |
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