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What is a vertebra with block like body and short stout spinous process?
That is likely a lumbar vertebra, which has a block-like body to support weight bearing and a short, stout spinous process for muscle attachment and stability. The lumbar vertebrae are larger and sturdier compared to other vertebrae in the spine to help support the lower back and trunk.
What is the difference between typical and atypical vertebra?
Typical vertebrae have common characteristics found throughout the spine, such as a body, vertebral arch, spinous process, and transverse processes. Atypical vertebrae vary in structure, size, or shape compared to typical vertebrae, often having unique features to accommodate specific functions in certain regions of the spine, such as the atlas and axis vertebrae in the cervical spine.
What part of a vertebra causes the distinct bumps?
This is due to the protrusion of the vertebral spinous processes.
Is trapezius named for its origin and insertion?
Originexternal occipital protuberance, nuchal ligament, medial superior nuchal line, spinous processes of vertebrae C7-T12Insertionposterior border of the lateral third of the clavicle, acromion process, and spine of scapula
Why are atlas sacral and urostyle classified as atypical vertebrae?
The first cervical vertebra (C1) and the second cervical vertebra (C2) are atypical vertebrae due to the fact that the structures of these vertebrae are unlike the rest of the cervical spine vertebrae. The C1, also known as the atlas, is a ring-like structure which allows the beginning of the spinal cord to pass through form the base of the skull. The C2, also known as the axis, is the largest of the cervical vertebrae in vertical dimension as it contains an extension of bone called the odontoid process that extends up into the ring of the atlas. This area of the neck is the most freely moveable as the majority of side-to-side rotation occurs at C1 on C2 and is also most important neurologically as this area of the spinal cord controls heart, breathing and posture of the human being.
Which vertebra does not have a spinous process?
Cervical vertebrae have a bifurcated spinous process.
When you palpate a spine what bone do you feel?
You are feeling the spinous process of your vertebrae.
What do the pedicles laminae and spinous process of the vertebrae form?
the vertebral arch
What structure is associated with the bifid tips of the cervical vertebrae?
Spinous process
What is the vertebral type with a forked spinous process?
In the cervical spine, the C2-C6 vertebrae generally have bifid spinous proceses.
What are two accessory processes of the lumbar vertebrae?
the transverse process and the articular process also spinous process
What is the The pointed projection that extends posteriorly from the fused lamina of vertebrae?
spinous process
What part of the vertebrae provide levers against which muscles pull?
spinous process and transverse process
Which vertebrae does not have a body or spinous process?
The first cervical vertebra (C1), also known as the atlas, does not have a body or a spinous process. It has a ring-like structure that articulates with the skull and the axis (C2 vertebra).
What special features are present on the thoracic vertebrae for rib articulations?
spinous process, facets, and demifacets
Why is the cervical vertebrae number 7 known as the vertebrae prominens?
Because the most distinctive characteristic of this vertebra is the existence of a long and prominent spinous process.
Which vertebral part is most anterior in location?
The vertebral body is the most anterior part of a typical vertebrae. It is the weight-bearing portion of the vertebrae and serves as the main point of articulation with adjacent vertebrae in the spinal column.
