Term
| Name the four functions of the skull? |
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Definition
1. Protective cavity for brain
2. Cavities to house sensory organs
3. openings for food and air passages
4. mastication |
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Term
| How many bones paired and unpaired, make up the skull?? |
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Definition
| 22 bones, grouped into cranial and facial bones |
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Term
| What is the term for an immovable joint of the skull? |
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Definition
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Term
What's the name of the only moveable joint in the skull?
Whats the name of the bone that is part of this joint? |
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Definition
A synovial joint
Mandible(jaw bone) |
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Term
| How many cranial bones encase the brain? |
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Definition
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Term
| This is referred to as the upper portion of the cranium? |
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Definition
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Term
| Latin word for Occipital? |
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Definition
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Term
| What does occipitium mean? |
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Definition
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Term
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Definition
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Term
| This is a flat bone at the posterior inferior aspect of the cranium |
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Definition
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Term
| This is a large foramen at the base of the skull near the anterior aspect of the occipital bone through with the spinal cord enters the cranium |
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Definition
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Term
| Name 4 structures of the occipital bone? |
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Definition
External occipital protuberance(occiput)
superior nuchal line
occipital condyles
clivus or basilar part |
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Term
| This is a large, prominent eminence on the posterior midline of the occipital bone |
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Definition
| external occipital protuberance (occiput) |
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Term
| This is a curved ridge extending laterally from the occiput |
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Definition
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Term
| These are prominent oval projections at the anterolateral aspects of the foramen magnum that articulate with the first cervical vertebrae |
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Definition
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Term
| this part of the occipital bone lies anterior the the foramen magnum and articulates with the spenoid bone |
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Definition
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Term
| This cranial bone forms a large part of the walls of the skull, these two bones are located lateral and superior aspect of the cranium |
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Definition
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Term
| what does the latin word frons mean? |
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Definition
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Term
| This is the bone of the forehead |
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Definition
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Term
| This cranial bone is located at the anterior and superior aspect of the cranium, anterior to the parietal bones, and forms the roof of the orbits (eye sockets) |
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Definition
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Term
| Name the 4 structures of the frontal bone? |
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Definition
Supraorbital margin
supraorbital notch or foramen
squamous part
frontal sinus |
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Term
| This is the part of the frontal bone that forms the superior border of the orbit |
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Definition
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Term
| a small notch or hole, found at the medial third of the supraorbital margin |
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Definition
| supraorbital notch(75% of people) or foramen(25 % of people) |
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Term
| This part of the frontal bone forms the forehead |
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Definition
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Term
| This is a space that lies between the orbital and squamous part of the frontal bone |
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Definition
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Term
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Definition
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Term
| How did temporal bones get their name? |
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Definition
| because hair in this region turns gray first, revealing effects of age and time |
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Term
| Name the two weakest cranial bones that lie at the lateral aspect of the cranium inferior to the parietal bones |
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Definition
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Term
| What are the seven structures found on the temporal bone? |
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Definition
squamous part
zygomatic process
mandibular fossa
mastoid process
external auditory(acoustic) meatus
styloid process
petrous portion |
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Term
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Definition
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Term
| This part of the temporal bone is thin, scalelike superior expansion of the temporal bone forming part of the lateral cranial wall |
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Definition
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Term
| this long, thin structure extends anteriorly from the anteroinferior aspect of the squamous part to articulate with the zygomatic bone |
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Definition
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Term
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Definition
| a yoke or bar connecting two parts |
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Term
| This is the oval depression posterior to the zygomatic arch for articulation with the mandible, specifically the condyloid process of the mandible. This is also the location of the temporomandibular joint. |
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Definition
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Term
| This is a breast-shaped projection extending inferiorly from the posterior aspect of the mastoid part |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| This is a large canal posterior to the mandibular fossa that opens into the ear |
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Definition
| external auditory(acoustic) meatus |
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Term
| This is a long, slender, pencil-like process anteromedial to the external auditory meatus that extends inferiorly |
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Definition
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Term
| This is the hard(like a rock) wedge-shaped portion between the occipital and the spenoid bones that houses the middle and inner ear. |
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Definition
| Petrous portion of the temporal bone |
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Term
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Definition
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Term
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Definition
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Term
| This cranial bone is so named because it is located or wedged, between the cranial and facial bones |
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Definition
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Term
| This cranial bone forms the base of the cranium anterior to the temporalis and occipital; it also forms part of the floor and lateral walls of the orbit |
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Definition
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Term
| Name the five main structures on the sphenoid bone? |
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Definition
body
sella turcica
greater wings
lesser wings
pterygoid process |
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Term
| This is the cubical portion of the sphenoid in the midline of the base of the cranium anterior to the occipital bone |
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Definition
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Term
| The body of the sphenoid bone is hollowed out to form two___________? |
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Definition
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Term
| latin word sella turcica means? |
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Definition
| turkish saddle, a saddle with a high back |
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Term
| This is a deep depression on the superior aspect of the body of the sphenoid |
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Definition
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Term
| The posterior border of the sella turcica is formed by the _________? |
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Definition
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Term
| This structure of the sella turcica houses the pituitary gland |
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Definition
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Term
| These are two broad lateral extensions form the body of the sphenoid |
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Definition
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Term
| Name the two openings on the greater wings of the sphenoid |
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Definition
foramen rotundum
foramen ovale |
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Term
| The thin triangular projections that extend into the posterior wall of the orbit and form the anterior aspect of the superior surface of the body |
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Definition
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Term
| This extends inferiorly from the junction of the greater wing and the body |
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Definition
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Term
| the pterygoid process consists of?? |
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Definition
| medial and lateral pterygoid plate |
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Term
| The medial and lateral pterygoid plate is separated posteriorly by an oval fossa called? |
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Definition
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Term
| The medial pterygoid plate lies lateral to?? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| This is a sievelike bone at the anterior base of the cranium between two orbits |
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Definition
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Term
| Name the five main structures of the ethmoid bone? |
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Definition
cribriform plate
perpendicular plate
lateral mass
middle nasal concha(turbinate)
superior nasal concha (turbinate) |
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Term
| This horizontal plate forms the anterior aspect of the cranium and has numerous foramina for the passage of nerve fibers (CN I olfactory) |
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Definition
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Term
| The cribriform plate surrounds the vertical ____________ |
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Definition
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Term
| thin, perpendicular to and extends inferiorly from the cribriform plate to form the superior aspect of the nasal septum |
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Definition
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Term
| this consists of the lateral aspects of the ethmoid made of large air cells (ethmoid sinuses), and forms part of the orbit |
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Definition
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Term
| this is the free, convoluted inferior margin of the medial plate of the lateral mass |
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Definition
| middle nasal concha (turbinate) |
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Term
| this is the part of the lateral mass superior to the middle nasal concha. This is difficult to see from an anterior view of skull. |
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Definition
| superior nasal cocha (turbinate) |
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