Merrill's Chapter 20

The breathing technique for skull is suspend.

The [blank_start]coronal[blank_end] suture is found between the frontal and parietal bones. The [blank_start]sagittal[blank_end] suture is located on the top of the head between the two parietal bones. Between the temporal bones and the parietal bones are the [blank_start]squamosal[blank_end] sutures. Between the occipital bone and the parietal bones is the [blank_start]lambdoidal[blank_end] suture.

The junction of the coronal and sagittal sutures is the [blank_start]bregma[blank_end]. The [blank_start]lambda[blank_end] is the junction of the lambdoidal and sagittal sutures. On the lateral aspect of the skull, the junction of the parietal bone, squamosal suture, and greater wing of the sphenoid is the [blank_start]pterion[blank_end], which overlies the middle meningeal artery. At the junction of the occipital bone, parietal bone, and mastoid portion of the temporal bone is the [blank_start]asterion[blank_end].

The average cranium measures approximately [blank_start]6[blank_end] inches at its widest point from side to side, [blank_start]7[blank_end] inches at its longest point from front to back, and [blank_start]9[blank_end] inches at its deepest point from the vertex to the submental region.

Where can you find the nasion, glabella and supraorbital margin?

Where can you find the four angles?

Where can you find the lesser and greater wings?

Where can you find the two condyles?

Where can you find the crista galli, cribriform plate and perpendicular plate?

Where can you find the sella turcica?

Where can you find the foramen magnum?

Where can you find the mastoid process?

Where can you find the basilar portion?

Where can you find the petrous portion?

Where can you find the pteryoid hamulus and lateral pterygoid process?

Where can you find the zygomatic process?

Where can you find the anterior and posterior clinoid processes?

Cheekbone: [blank_start]Zygoma[blank_end] Largest facial bone: [blank_start]Mandible[blank_end] Number of facial bones: [blank_start]Fourteen[blank_end] Forms bridge of the nose: [blank_start]Nasal[blank_end] Vertical mandibular portion: [blank_start]Head[blank_end]

Found in the roof of the mouth: [blank_start]Palatine[blank_end] Midpoint of the anterior nasal spine: [blank_start]Acanthion[blank_end] Articulating process of the mandible: [blank_start]Condyle[blank_end] Spongy processes that hold the teeth: [blank_start]Alveolar[blank_end] Anterior part of the mandibular ramus: [blank_start]Coronoid[blank_end]

Landmark at the angle of the mandible: [blank_start]Gonion[blank_end] Found in the medial walls of the orbits: [blank_start]Lacrimal[blank_end] Forms inferior portion of the nasal septum: [blank_start]Vomer[blank_end] Horseshoe-shaped mandibular portion: [blank_start]Body[blank_end] Thin, scroll-like bones that extend horizontally inside the nasal cavity: [blank_start]Inferior conchae[blank_end]

Which paranasal sinuses are located directly below the sella turcica?

Which paranasal sinus group is posterior to the ethmoidal sinuses?

Which sinus group is subdivided into three main groups?

Which sinus group is well developed and aerated at birth?

At age 15 or 16 years, the sinuses are fully developed and communicate with each other.

[blank_start]Basal fracture[blank_end]: Fracture located at the base of the skull [blank_start]Linear fracture[blank_end]: Irregular of jagged fracture of the skull [blank_start]Tripod fracture[blank_end]: Fracture of the zygomatic arch and orbital floor or rim and dislocation of the frontozygomatic suture [blank_start]LeForte fracture[blank_end]: Bilateral horizontal fractures of the maxillae [blank_start]Blowout fracture[blank_end]: Fracture of the floor of the orbit [blank_start]Depressed fracture[blank_end]: Fracture causing a portion of the skull to be pushed into the cranial cavity [blank_start]Contrecoup fracture[blank_end]: Fracture to one side of a structure caused by trauma to the other side

The skull is composed of 22 separate bones divided into two distinct groups: [blank_start]8[blank_end] cranial bones and [blank_start]14[blank_end] facial bones.

The bones of the cranial vault are classified as what type of bones?

The cranial bone located between the orbits and posterior to the nasal bones is the _____ bones?

The cranial bone that provides a depression to house the pituitary gland is the _____ bone.

[blank_start]Inion[blank_end]: Posterior surface of the occipital bone [blank_start]Vertex[blank_end]: Superior aspect of the cranium; where the parietal bones join together [blank_start]Nasion[blank_end]: Midpoint of the frontonasal suture [blank_start]Gonion[blank_end]: Angle of the mandible; lateroposterior aspect of the mandible [blank_start]Glabella[blank_end]: Smooth elevation between the superciliary arches [blank_start]Acanthion[blank_end]: Midpoint of the anterior nasal spine [blank_start]Mental point[blank_end]: Midpoint of the mental protuberance; anterior aspect of the mandible; where the two bodies joint together [blank_start]Outer canthus[blank_end]: Lateral aspect of each orbit; where the two eyelids originate [blank_start]Superciliary arch[blank_end]: Raised prominence just above each orbit on the frontal bone; coincides with the eyebrows

Which positioning landmark is located at the anterior portion of the mandible?

The bregma fontanelle is located at the junction of which two sutures?

Which skull classification refers to a typical skull?

Which skull classification refers to a long, narrow skull?

Which skull classification refers to a short, wide skull?

With which bone does the mandible articulate?

Where are the lacrimal bones located?

Where is the vomer bone found?

Which term refers to the anterior process of the mandibular ramus?

Which term refers to the posterior process of the mandibular ramus?

Which facial bones have alveolar processes?

Which bones form the posterior one fourth of the roof of the mouth?

Tear ducts pass through which bone?

What are the smallest bones in the skull?

The two maxillary bones are the largest of the immovable bones of the face

The lacrimal bones are the largest and densest bone of the face

What is the largest sinus?

malleus = [blank_start]hammer[blank_end] incus = [blank_start]anvil[blank_end] stapes = [blank_start]stirrup[blank_end]