Podcast
Questions and Answers
What is the first choice for diagnostic imaging in cases of head trauma?
What is the first choice for diagnostic imaging in cases of head trauma?
How many bones make up the human skull?
How many bones make up the human skull?
Which bone is known as the largest immovable bone of the face?
Which bone is known as the largest immovable bone of the face?
What type of joints connect the bones of the cranium?
What type of joints connect the bones of the cranium?
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Which pair of bones contributes to the formation of the orbits?
Which pair of bones contributes to the formation of the orbits?
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Which suture joins the parietal bones?
Which suture joins the parietal bones?
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Where is the external auditory meatus located?
Where is the external auditory meatus located?
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Which facial bones articulate with all other facial bones except the mandible?
Which facial bones articulate with all other facial bones except the mandible?
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Study Notes
Istanbul Gelisim University
- Istanbul Gelisim University was established in 2008.
- The university has a Faculty of Health Sciences.
- Contact number: +90 212 422 70 00
- Website: https://www.gelisim.edu.tr
Radiological Anatomy of the Skeletal System (Axial Skeleton) and Imaging
Skull Bones
- Skull radiography is less common today.
- CT scans are the primary diagnostic tool for head trauma, providing brain condition information unavailable through routine radiography.
- CT is also the primary imaging modality for paranasal sinuses and some facial injuries.
- Radiography of skull bones is still a useful diagnostic tool, especially when CT scanners are unavailable.
- Specific skull and facial injuries/conditions are still best evaluated radiographically.
Anatomy
- The skull consists of 22 bones.
- The cranium (skull) includes cranial and facial bones.
- These bones also create the oral and nasal cavities and orbits.
Cranium
- The cranium surrounds the brain.
- The calvaria is the part of the cranium that surrounds the brain's floor.
- The cranium contains 8 bones: frontal, occipital, right and left parietal, right and left temporal, sphenoid, and ethmoid.
Skull Diagrams
- Detailed diagrams are referenced in the pages.
Temporal Bones
- These bones are part of the cranium's floor and lateral surfaces.
- They articulate with the sphenoid bone anteriorly, and occipital posteriorly.
- The external acoustic meatus (EAM) is found on the temporal bones' inferior lateral border.
Cranial Sutures
- Cranial bones are joined by synarthrodial (immovable) sutures.
- The sagittal suture connects the parietal bones.
- The coronal suture joins frontal and parietal bones.
- The lambdoidal suture joins parietal and occipital bones.
- The squamosal suture joins parietal and temporal bones
Facial Bones
- Facial bones include the maxilla, mandible (jaw), zygomatic (cheek bones), and nasal bones.
- The maxilla is composed of two maxillary bones fused in the center beneath the nose.
- The maxilla is the largest immovable bone of the face and articulates with other facial bones (excluding the mandible).
- Its upper margins form the inferior medial orbital rims.
Spine
- The spine consists of the cervical, thoracic, lumbar, sacrum, and coccyx.
- The number of vertebrae in each section is specified in the document.
Spine Diagrams
- Numerous diagrams are presented in the pages to illustrate spine structures.
Spine Structures
- Different spine structures, such as vertebrae, pedicle, lamina, articular process, vertebral foramen, intervertebral foramina, are detailed in multiple figures.
- The structures are labeled for clarity, including specific sections like the atlas (C1) and axis (C2).
Spinal Joints
- The text describes various spinal joints, including facet joints, intervertebral joints, and costovertebral joints.
- The uncovertebral joint is specifically pointed out.
- The image shows illustrations of the mentioned spinal joints.
Sacroiliac Joint
- The sacroiliac joint is a critical part of the pelvic structure.
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Description
This quiz explores the radiological anatomy of the axial skeleton, focusing specifically on the skull bones. It covers key imaging techniques such as CT scans and radiography, discussing their usage in diagnosing head injuries and conditions. This knowledge is essential for students in health sciences and radiology.
