Items tagged “skull”
94 results found
Case
Pneumatized dorsum sella
Published
07 May 2015
63% complete
Annotated image
Case
Skull PA view
Published
28 May 2015
55% complete
X-ray
Diagram
Case
Skull AP view
Published
29 May 2015
40% complete
Diagram
X-ray
Case
Skull lateral view
Published
30 May 2015
55% complete
Diagram
X-ray
Case
Towne view (skull AP axial view)
Published
30 May 2015
55% complete
X-ray
Diagram
Article
Frontal bone
The frontal bone is a skull bone that contributes to the cranial vault. It contributes to form part of the anterior cranial fossa.
Gross anatomy
The frontal bone has two portions:
vertical portion (squama): has external/internal surfaces
horizontal portion (orbital): has superior/inferior su...
Article
Parietal bone
The parietal bone is a paired, irregular, quadrilateral skull bone that forms the sides and roof of the cranium.
Gross anatomy
The parietal bone has four borders, four angles, and external/internal surfaces.
The four borders are:
frontal
sagittal
occipital (half of lambdoid suture)
squam...
Article
Occipital bone
The occipital bone, also known as C0, is a trapezoid skull bone that contributes to the posteroinferior part of the cranial vault. It is pierced by the foramen magnum, permitting communication from the cranial cavity to the vertebral canal.
Terminology
Occiput is a noun referring to the back o...
Article
Sphenoid bone
The sphenoid bone is a large, complex, unpaired bone forming the central parts of the anterior and central skull base.
Gross anatomy
Parts of the sphenoid bone include:
body
jugum sphenoideum
contains the sphenoid sinus
greater wing
lesser wing
pterygoid process and plates
Articulations...
Article
Bilateral thinning of the parietal bones
Bilateral thinning of the parietal bones, also known as biparietal osteodystrophy, is an uncommon, slowly progressive acquired disease of middle-aged people with a slight female predilection. It is typically an incidental finding.
Pathology
The etiology is unknown but is thought to be an age-...
Case
Eosinophilic granuloma of the skull
Published
23 Feb 2016
92% complete
CT
MRI
Article
Zygomaticomaxillary suture
The zygomaticomaxillary suture is between the zygomatic process of the maxilla and the maxillary process of the zygomatic bone. They are often involved in zygomaticomaxillary complex (ZMC) fractures.
Case
Chronic phenytoin use
Published
31 May 2016
48% complete
CT
Case
Normal anatomy reverse Towne view
Published
05 Jul 2016
29% complete
X-ray
Article
Squamosal suture
The squamosal or squamous suture is the cranial suture between the temporal and parietal bones bilaterally. From the pterion, it extends posteriorly, curves inferiorly and continues as the parietotemporal suture.
Along with growth of the pterion, the asterion and at the frontozygomatic suture, ...
Article
Zygoma
The zygoma (also known as zygomatic bone or malar bone) is an important facial bone which forms the prominence of the cheek. It is roughly quadrangular in shape.
Gross anatomy
Zygoma has three surfaces, five borders, and two processes.
Surfaces
anterolateral surface is convex, pierced at its...
Article
Frontomaxillary suture
The frontomaxillary suture is the suture where the nasal process of frontal bone joins the frontal process of the maxilla.
Article
Nasomaxillary suture
The nasomaxillary suture is a suture forms the fissure between the frontal process of maxilla and the lateral border of the nasal bone. The nasomaxillary sutures are paried.
Article
Focal calvarial thinning
Focal calvarial thinning can result from a number of causes. They include:
bilateral thinning of the parietal bones (normal variant) most common
arachnoid cyst
mega cisterna magna
peripherally located tumors (e.g. oligodendroglioma)
See also
calvarial thinning
calvarial thickening
Article
Palatine bone
The palatine bones are paired L-shaped bones joined at the midline. They form the hard palate with the maxillary bones. They also form part of the floor of the nasal cavity (the hard palate separates the oral cavity from the nasal cavity).
Gross anatomy
The palatine bones are located at the b...
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