Chapter 8-Head and Neck Flashcards
Skull is covered by ___ and subcutaneous tissues that overlap a thin layer of muscle. Muscles of ____ and muscles of the ____ and the ____ are also attached to the skull
- skin
- mastication
- neck
- trunk
skulls consists of two parts:
-neurocranium and the facial skeleton
cranium consists of __ bones. name them.
- 8 bones
- 1 sphenoid
- 2 parietal
- 2 temporal
- 1 occipital
- 1 frontal
- 1 ethmoid
upper part of the skull is called the ____, consisting of frontal, parietal, and occipital bones, can be seen in superior view of the skull. ____ are the sites of articulation between bones of the skull. The ___ suture corresponds to junctions between the frontal and parietal bones. The _____ suture is between the parietal bones, and the ____ suture is between the parietal bones and the occipital bone.
- calvaria
- sutures
- coronal
- sagittal
- lambdoid
facial skeleton consists of ____ bones.
name them.
- 14
- 2 maxilla
- 2 nasal bones
- 2 zygomatic bones
- 2 lacrimal bones
- 2 palatine bones
- 2 inferior nasal conchae
- 1 mandible
- 1 vomer
bones of skull develop via ____ ossification
intramembraneous
intramembraneous ossification consist of a ____ compact and a central part occupied by a spongy bone. Bones are connected by ____. The unossified area between the bones are found during infancy and early childhood are called ____.
- peripheral
- sutures
- fontanelles
Fontanelles include: larger ___ and ____ fontanelles, as well as the smaller ___ and ___ fontanelles. These fontanelles ossify within ____ months after birth.
- anterior and posterior
- mastoid and sphenoidal
- 6-36 months
7 bones join together to form the orbits. name them. also the superior and inferior orbital ____, as well as the opening of the ___ canal.
- zygomatic
- sphenoid
- ethmoid
- lacrimal
- palatine
- maxillary
- fissure
- optic
parts of the cranial and facial skeleton can be seen in the ___ view of the skull, including the frontal bone, parietal bones and sphenoid bones on lateral sides.
anterior
Lower part of the frontal bone is projected anteriorly and forms the ____ arch, followed by the ____margin. A ___ foramen can be found medially on the ___ margin. Bone forms the roof of the ___ on both sides.
- superciliary
- supraorbital
- supraorbital
- orbits
Inside the orbit, the frontal bone sutures with the ____ bone and the ___ bone inferiorly. Medially in the orbit, ethmoid bone connects with the ___ bone. In the center, the frontal bone articulates with the ___ bones at the ___, and the glabella is directly in the center above the ____. A remnant of the ___ suture between the frontal bones can be found here and above glabella inside the bone, the frontal sinus can be seen in the anteroposterior X-ray view of the skull.
- frontal
- zygomatic
- frontal
- nasal
- nasion
- nasion
- metopic
Orbits are seen in the __ view. Below the orbit, the ____ bones bearing the ____ foramen can be seen on each side. The bones join each other in the center, beneath the nose. The ____ bones suture with the zygomatic bone superolaterally and with the nasal bones superomedially.
- anterior
- maxillary
- infraorbital
- maxillary
The nasal cavity forms in the center, between the ____ bones. Inside the nasal cavity, the nasal ____ can be seen in the center, while the three pairs of nasal ___ are found laterally in the nasal cavity.
- maxillary
- septum
- conchae
The superior and middle conchae are parts of the lateral masses of the ___ bone, while the inferior conchae are separate, independent facial bones. Lowest bone in the anterior view of the skull is the ____, which has a body, ramus, and an angle, and bears the ___ foramen on each side of the chin.
- ethmoid
- mandible
- mental
Bones in the lateral view of the skull, front to back, include the lateral and superior aspects of the ____ bone, which fuses with the ___ bone at the ___ suture.
- frontal
- parietal
- coronal
Lateral view: parietal bone lies in the middle and posterosuperior aspects of the skull, over the ___ bone. The parietal bones are connected to each other via the ___ suture in the center of the calvaria and via the ___ suture to the frontal bone.
- temporal
- sagittal
- frontal
2 curved lines, superior and inferior temporal lines, are found on the ___ bone. Posterior to the parietal bone, the occipital bone can be seen connecting to the parietal bone at the ____ suture.
- parietal
- lamboid
Lateral view: middle of row of bones from the front to the back include the nasal bone, which articulates with the frontal process of the ___; the ____ bone in the orbit, and a small portion of the ____ bone inside the orbit.
- maxilla
- lacrimal
- ethmoid
Lateral view: the ____ bone lies on the lateral aspect of the orbit, inferior to the frontal bone and superior to maxillary bone
-zygomatic
the ____ bone connects to the zygomatic bone at the frontozygomatic suture, and the greater wing of the sphenoid lies posterior to the zygomatic bone in this view. Here, the sphenoid joins the ____ and ___ bones on its superior border at the sphenofrontal and sphenoparietal sutures. Lying behind the sphenoid bone of the skull, and below the parietal bone is the squamous part of the ___ bone, which fuses to the sphenoid at the ___ suture. At the ____ suture, the zygomatic process of the temporal bone and the zygomatic bone fuses to each other to form the zygomatic arch.
- frontal
- frontal
- parietal
- temporal
- sphenosquamous
- temporozygomatic
Lateral view: below the zygomatic arch and behind the mandible, the _____ meatus can be seen. Posterioinferior to this, the ____ fissure is located. Inferoposterior to the external acoustic meatus, the mastoid part of the ____ bone is found. The mastoid joins the occipital bone at the ____ suture, and a ___ foramen can be seen anterior to the suture. The pertous part of the ___ bone is found in the basal view of the skull. Below the external acoustic meatus, the ___ process, which gives origin to a number of the muscles of the tongue, pharynx, and hyoid bone can be seen in its bony vaginal process.
- external acoustic
- tympanomastoid
- temporal
- occipitomastoid
- mastoid
- temporal
- styloid
Bones on the lower aspect of the lateral view can also be seen below the ____. The ___ is located in an anterosuperior location, and the body of the ___ is located in an anteroinferior position. The maxilla and mandible bear the upper and lower row of ___.
- zygomatic arch
- maxiall
- mandible
- teeth
In a lateral view, posterior to the maxilla, upper portion of the rams of the ___ is seen, while the ___ process of the mandible can be found anterior and medial to the zygomatic arch. The ____ process gives an insertion point to the ___ muscles, which originates from the ____ fossa. An archlike depression of the superior border of the rams of the ____, the ___ notch, extends between the condyle of the __ and the coronoid process. The condyle of the ___ articulates with mandibular fossa of the temporal bone, forming the ____ joint.
-mandible
-coronoid
-coronoid
-temporalis
-temporal
-mandible, mandibular
-mandible
mandible
-temporomandibular joint