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What are two accessory processes of the lumbar vertebrae?
the transverse process and the articular process also spinous process
What provides levers against which muscles pull in the vertebral column?
The spinous processes and transverse processes in the vertebrae provide levers against which muscles pull in the vertebral column. Muscles attached to these processes, such as the erector spinae group, create movements like extension, flexion, and rotation in the spine.
What part of the vertebrae provide levers against which muscles pull?
spinous process and transverse process
How can you tell the cervical vertebrae from the rest?
Cervical vertebrae can be identified by their distinct features: they are smaller and have a unique structure with transverse foramina in the transverse processes, which allow for the passage of vertebral arteries. The first two cervical vertebrae, the atlas (C1) and axis (C2), have specialized shapes that enable pivotal head movements. Additionally, cervical vertebrae typically have a bifid spinous process, except for C7, which has a longer, non-bifid spinous process.
Which vertebra does not have a spinous process?
Cervical vertebrae have a bifurcated spinous process.
What is the difference between the cervical vertebrae and thoracic vertebrae and lumbar vertebrae?
The Cervical vertebrae obtain: - Bifid (meaning double) spinous processes - Foramina transversarium for passage of nerves and vessels - The body is a more oval shape - Do not articuate with the ribs The Thoracic vertebrae obtain: - Spinous process (singular) - No foramina transversarium - The body is a small semi-circular shape - Articulate with the ribs -Have demifacets for articulation with the ribs The Lumbar vertebrae obtain: - Spinous process (singular) - No transverse processes - The body is a large circular shape - Does not articulate with the ribs - Demonstrates a "Scotty Dog" when positioned for a left/right anterior/posterior oblique radiograph.
What characteristics help you distinguish between the different types of vertebrae?
Cervical Vertebrae- has transverse foramen, and a bifid tip of spinous process Thoracic Vertebrae- Has coastal facets on the sides of the body Lumar Vertebrae- has no transverse foramen, no bifurcated tip, and no facets on the sides of the body
What are distinguishing features of a cervical vertebra?
Transverse foramina (on all cervical vertebrae) and bifid spinous process on C2-C6
What are the main parts of the vertebrae called?
The body of each vertebra is attached to a bony ring consisting of several parts. A bony projection on either side of the vertebral body called the pedicle supports the arch that protects the spinal canal. The laminae are the parts of the vertebrae that form the back of the bony arch that surrounds and covers the spinal canal. There is a transverse process on either side of the arch where some of the muscles of the spinal column attach to the vertebrae. The spinous process is the bony portion of the vertebral body that can be felt as a series of bumps in the center of a person's neck and back.
What are the 3 processes found on the bone?
Most vertebrae have 3 processes. The spinous process, which is the one that comes straight off of your vertebral column, can actually be felt . You can feel this one particularly well at the base of your neck (this is the 7th Cervical vertebra, also known as Vertebra prominens). The very first vertebra, C1, also known at Atlas, does not have a spinous process. Each vertebra has two transverse processes which are on either side of the spinous processes. All of these processes are important for muscle attachments for movement of the head, neck and torso.
On which type of vertebrae does the spinous process resemble a giraffe?
The spinous processes that resemble a giraffe are found in the thoracic vertebrae. In this region, the spinous processes are long and angled downward, which gives them a distinctive appearance similar to a giraffe's neck. This anatomical feature helps in the attachment of muscles and ligaments and plays a role in the stability of the thoracic region.
What provides an articulation point for the ribs?
transverse costal facets
