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Stack #114625
anat ch. 7 thoracic cage and vertebral column
Question | Answer |
---|---|
What is the ribcage also called? | The thoracic cage. |
What does the thoracic cage protect and support? | Heart and lungs. |
What is the breast bone also called? | The sternum. |
What three bones make up the sternum, from superior to inferior? | Thw maubrium, gladiolus (body), and the zyphoid process. |
What are the costae? | The ribs. |
What is the cartilage associated with the ribs? | The costal cartilages. |
What are the two types of ribs? | The true ribs and the false ribs. |
What are the true ribs? | They are nos. 1 thru 7 and they articulate directly with the sternum. |
What are the false ribs? | Ribs 8 to 12, 8 to 10 are attached to the costal cartilage of rib 7. |
Which ribs are the floating ribs? | Ribs 11 and 12 have no anterior attachment. |
From the posterior end to the anterior end, what are the parts of the rib? | Head, neck, tubercle, and shaft. |
What are the parts of the vetebral column, from superior to inferior? | Cervical, thoracic, lumbar, sacral, and coccygeal. |
What are the curvatures of the vertebral column, sperior to inferior? | Cervical, thoracic, lumbar, and sacral. |
What is the function of the curvature of the vertebral column? | It increases the strength of the column. |
Where are the invertebral discs? | Between the discs. |
What is the body of a vertebra? | Round anterior part. |
What is the arch posterior to the body of a vertabra? | The vertebral arch. |
Which part of the arch is anterior and which is posterior? | Pedicles are anterior and laminae are posterior. |
Which foramen contains the spinal cord? | The vertebral foramen. |
What does "processes" mean? | "Sticks out" |
What are the three processes associated with the vertebae? | Transverse, spinous, and articular. |
Which process is located between the pedicles and lamina? | The transverse process. |
Which porcess is posterior to the vertebral foramen? | The spinous process. |
What happens at the superior and inferior articular processes? | The vertebrae come together here. |
What is the smooth surface on the articular processes called? | The articular facets. |
What foramen is unique to the cervival vertebrae? | The transverse foramen. |
What is C1 also called? | The atlas. |
What two arches make up the atlas? | The anterior and posterior arch. |
What is C2 also called? | The axis. |
What part of the axis is "the tooth?" | The dens. |
What does it mean that C1 thru C6 have "bifid" spinous processes? | The spinous process is split in two. |
Where is the vertebra prominens? | On C7, the very prominent spinous process. |
How many thoracic vertebrae are there? | 12. |
What are two physical features of the thoracic vetebraes spinous processes? | They are very long and they point inferiorly. |
What facets articulate with the ribs? | The costal (rib) facets. |
Where are the costal facets. | There are two on body of the thoracic vertebrae |
What are the two demifacets and where are they located? | Superior and inferior demifacet, located on the body of the thoracic vertebrae. |
What does "demi" mean? | Half. |
Does the transverse process have a costal facet? | Yes. |
Which vetebrae have short, thick processes and are also the largest vertebrae? | The lumbar vertebrae. |
What is unique about the vertebral foramen of the lumbar vertebrae? | It is triangular. |
What are the fused vertebrae inferior of L5 collectively called? | The sacrum. |
What process of the sacrum articulates with the last lumbar vertebrae? | The articular processes. |
What are the fusion lines of the sacrum called? | Transverse lines. |
What part of the sacrum is named after the ear, which it somewhat resembles? | The auricular surface. |
What are the horns on the coccyx called? | The coccygeal cornu. |