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Ch. 7 The Skeleton
Marieb - Human Anatomy & Physiology 11th Edition
Marieb, Hoehn11th EditionHuman Anatomy & PhysiologyISBN: 9780136874034당신이 사용하는 게 아니라요?교과서 변경
7장, 문제 15

List at least two specific anatomical characteristics each for typical cervical, thoracic, and lumbar vertebrae that would allow anyone to identify each type correctly.

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Step 1: Identify two key anatomical features of typical cervical vertebrae. For example, note that cervical vertebrae usually have transverse foramina (holes in the transverse processes) and a bifid (split) spinous process, which are unique to this region.
Step 2: Identify two key anatomical features of typical thoracic vertebrae. For instance, thoracic vertebrae have facets on the sides of their bodies for rib articulation (costal facets) and long, downward-pointing spinous processes.
Step 3: Identify two key anatomical features of typical lumbar vertebrae. Lumbar vertebrae are characterized by their large, thick bodies to support more weight and short, broad spinous processes that project horizontally.
Step 4: Summarize the distinguishing features for each vertebral type to help with identification: cervical vertebrae with transverse foramina and bifid spinous processes; thoracic vertebrae with costal facets and long spinous processes; lumbar vertebrae with large bodies and broad spinous processes.
Step 5: Use these anatomical characteristics as a checklist when examining vertebrae to correctly classify them as cervical, thoracic, or lumbar.

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주요 개념

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Anatomical Features of Cervical Vertebrae

Cervical vertebrae are characterized by small bodies and the presence of transverse foramina, which allow passage of the vertebral arteries. Additionally, their spinous processes are often bifid (split into two parts), distinguishing them from other vertebrae.
추천 영상:
가이드 코스
6:29
Spine (Vertebral Column)

Anatomical Features of Thoracic Vertebrae

Thoracic vertebrae have larger bodies than cervical vertebrae and possess facets on the sides of their bodies for rib articulation. Their spinous processes are long, pointed, and angled downward, which helps differentiate them from cervical and lumbar vertebrae.
추천 영상:

Anatomical Features of Lumbar Vertebrae

Lumbar vertebrae have the largest, thickest bodies to support more weight and lack transverse foramina and rib facets. Their spinous processes are short, broad, and project horizontally, making them distinct from cervical and thoracic vertebrae.
추천 영상:
가이드 코스
6:29
Spine (Vertebral Column)
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