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Skull Lab Exercise 14 06-15-2015
Terms in this set (27)
Anterior Skull Bones are: Parietal, Frontal, Coronal Suture, Temporal, Perpendicular plate of the ethmoid bone, infraorbital foramen, vomer, mandible
other anterior skull bones are: supraorbital foramen, nasal bone, sphenoid bone, zygomatic, middle nasal concha of the ethmoid, inferior nasal concha, maxilla, mental foramen
Figure 14.1 from the side, the anterior bones and features of the skull are: Parietal, squamous suture, lambdoid suture, temporal, occipital, temporal process of the zygomatic bone, external acoustic meatus
Other figure 14.1 bones from the side are: mastoid process, styloid process, mandibular condyle, zygomatic process of temporal bone, coronal suture
More figure 14.1 from the side are: frontal, sphenoid, ethmoid bone, lacrimal bone, nasal bone, zygomatic bone, maxilla bone, mandibular foramen, coronoid process.
From look at the upper teeth side: maxilla, zygomatic bone, sphenoid bone, vomer bone, zygomatic arch bone, styloid process, external acoustic meatus, temporal bone.
From more of the upper teeth side: occipital condyle, temporal bone, incisive foramen, palatine process of the maxilla, palatine bone, frontal bone, greater palatine foramen, foramen lacerum
More of the from the upper teeth side: carotid canal, jugular foramen, stylomastoid foramen, foramen magnum, lambdoid suture, occipital bone.
figure 14.4, label the bones and features of the floor of the cranial cavity as viewed from above:
Ethmoid bone, optic canal, foramen rotunda, foramen oval, foramen lacerum, foramen magnum, crista galli, olfactory foramina, frontal, sphenoid
More of 14.4 from above: Foramen spinosum, sella turcica, parietal bone, occipital bone.
Figure 14.5 Bone and features using a sagittal section of the skull. Coronal suture, frontal bone, sphenoid bone, frontal sinus, nasal bone, Ethmoid bone which contains the Crista Galli, the perpendicular plate or nasal septum and the inferior nasal concha.
More 14.5 sagittal section. The maxilla bone, the parietal bone, the temporal bone, the squamous suture, the lambed suture, the internal acoustic meatus, the occipital bone
More 14.5 sagittal section: The sella turcica, the hypoglossal canal, the styloid process, the sphenoidal sinus, the pterygoid process of sphenoid bone, the palatine bone, the vomer bone, and the mandible bone.
The weakest part of the cranium is the prettier because it is the junction between the parietal bone, the squamous part of the temporal bone, the greater wing of the spheroid bone, and the frontal bone.
These 3 bones, the parietal, the temporal & the spheroid bone are joined by 3 cranial sutures. Sutural
What features characterize the fetal skull? Overall size, the face, it's the largest part of the fetal body, some parts are not bone yet, and it is the least compressible of all fetal parts.
The fetal skull is 1/4th the fetuses overall length whereas in an adult it is 1/8th. The face of a fetus is larger than the cranium whereas in an adult, the face is more equal to smaller.
Ethmoid bone has the feature of a cribriform plate, ethmoid bone is also crista galli. Ethmoid bone also makes up the middle nasal concha.
Frontal bone is the supraorbital foramen
occipital bone is where the foramen magnum is located and also the occipital condyle.
parietal bone forms the sagittal, coronal, squamous, and lambdoid sutures.
Sphenoid bone is the sella turcica.
Temporal bone is external acoustic meatus, the mandibular fossa, the mastoid process and the styloid process.
The coronal suture joined the frontal bone to the parietal bones.
The parietal bones are firmly interlocked along the midline by the sagittal suture.
The lambdoid suture joins the parietal bones to the occipital bone.
The temporal bones are joined to the parietal bones along the squamous sutures.
The 3 cranial bones containing sinuses are: The frontal bone, the ethmoid bone & the sphenoid bone.
The facial bone that contains a sinus is the maxillary sinus.
The inferior nasal concha is a scroll shaped bone.
The lacrimal bone is a scalelike part in medial wall of orbit.
The mandible is the only movable bone in the facial skeleton. The mandible contains the cored process and contains the mental foramen.
The maxilla forms the anterior roof of the mouth.
The nasal bone forms the bridge of the nose.
The palatine bone forms the posterior roof of the mouth.
The vomer bone forms inferior portion of the nasal septum.
The Zygomatic bone creates the prominence of cheek inferior and lateral to the eye. The zygomatic bone forms the anterior portion of the zygomatic arch.
The foramen magnum transmits the nerve fibers of the spinal cord.
The foramen oval transmits the mandibular division of trigeminal nerve.
The foramen rotundum transmits the maxillary division of the trigeminal nerve, not to be confused with the foramen oval which transmits the mandibular division of the trigeminal nerve. Same nerve, different divisions.
The incisive foramen transmits the nasopalatine nerves.
The internal acoustic meatus transmits the vestibular and cochlear nerves.
The jugular foramen transmits the vagus and accessory nerves.
The optic canal transmits the optic nerve....duh.
The skull parts for figure 14.8 an anterior view of the skull. Frontal bone, sphenoid bone, nasal bone, zygomatic bone, infraorbital foramen, the maxilla bone, the mandible bone, the parietal bone.
More from 14.8, an anterior view of the skull. the superior orbital fissure, the perpendicular plate of the ethmoid bone, the middle nasal concha of the ethmoid bone, the inferior nasal concha bone, the vomer bone, and the mental foramen.
Figure 14.9, a lateral view of the skull. Parietal bone, the squamous suture, the temporal bone, the lambdoid, the sutural bone, the occipital bone, the external acoustic meatus , the mastoid process and the mandibular condyle.
More figure 14.9, lateral view of the skull. The coronal suture, the frontal bone, the sphenoid bone, the nasal bone, the lacrimal bone, the zygomatic processor the temporal bone, the zygomatic bone, the maxilla bone and the mandible bone.
Figure 14.10, an inferior view of the skull. Maxilla bone, the Zygomatic bone, the sphenoid bone, the temporal bone, the mastoid process, the occipital bone, the incisive foramen, the palatine process of maxilla, the palatine bone, the vomer bone, the mandibular fossa, the occipital condyle, and the foramen magnum.
Figure 14.11, floor of the cranial cavity of a skull. Frontal bone, the crista galli, the olfactory foramina, the cribriform plate, the optic canal, the foramen oval, the foramen spinosum, the temporal bone, the parietal bone, and the occipital bone.
More figure 14.11....the ethmoid bone, the sphenoid bone, the sella turcica, the foramen lacer, the jugular foramen, the foramen magnum.
Figure 14.12 the disarticulated skull: parietal bone, the zygomatic bone, the temporal bone, the sphenoid bone, the maxilla bone.
More 14.12 disarticulation: The frontal bone, the ethmoid bone, the inferior nasal concha, the vomer bone and the mandible bone.
This set is often in folders with...
Bones of the Skull
Chapter 7 Skeletal System
The Fetal Skeleton
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