
In the first two or three lumbar vertebrae there is a small median process below the centrum, called as:
A. Prezygapophysis
B. Postzygapophysis
C. Hypapophysis
D. Neural spine
Answer
486.3k+ views
Hint: The lumbar vertebrae are bones that make up the spinal section or spine, explicitly inside the lower back. These bones are beneath the cervical and thoracic vertebrae however over the sacrum or pelvis. They are the largest of the unfused vertebrae and are larger than the bones located above.
Complete Answer:
- The lumbar vertebrae are, in human anatomy, the five vertebrae between the rib cage and the pelvis. They are the largest sections of the vertebral segment and are portrayed by the absence of the foramen transversarium inside the transverse process (since it is just found in the cervical area) and by the absence of facets on the sides of the body (as discovered distinctly in the thoracic region). They are assigned L1 to L5, beginning at the top. The lumbar vertebrae help uphold the body weight, and permit movement.
- The vertebral body of each lumbar vertebra is large, more extensive from side to side than from front to back, and somewhat thicker in front than toward the back. It is flat or somewhat inward above and beneath, concave behind, and constricted deeply in front and along the sides.
- The first lumbar vertebra is level with the anterior end of the ninth rib. This level is likewise called the important transpyloric plane, since the pylorus of the stomach is at this level.
- The fifth lumbar vertebra is portrayed by its body being a lot deeper in front than behind, which concurs with the prominence of the sacrovertebral articulation; by the small size of its spinous process; by the wide span between the inferior articular cycles, and by the thickness of its transverse process, which spring from the body just as from the pedicles.
- Hypapophysis is a process, or other element, of a vertebra developed from the ventral side of the centrum in the initial few vertebrae. Haemal spines and chevron bones are examples of hypapophysis.
Hence, the correct answer is option C.
Note: In people each lumbar vertebra consists of a vertebral body and a vertebral arch. The vertebral curve, consisting of a couple of pedicles and a couple of laminae, encases the vertebral foramen (opening) and supports seven processes.
Complete Answer:
- The lumbar vertebrae are, in human anatomy, the five vertebrae between the rib cage and the pelvis. They are the largest sections of the vertebral segment and are portrayed by the absence of the foramen transversarium inside the transverse process (since it is just found in the cervical area) and by the absence of facets on the sides of the body (as discovered distinctly in the thoracic region). They are assigned L1 to L5, beginning at the top. The lumbar vertebrae help uphold the body weight, and permit movement.
- The vertebral body of each lumbar vertebra is large, more extensive from side to side than from front to back, and somewhat thicker in front than toward the back. It is flat or somewhat inward above and beneath, concave behind, and constricted deeply in front and along the sides.
- The first lumbar vertebra is level with the anterior end of the ninth rib. This level is likewise called the important transpyloric plane, since the pylorus of the stomach is at this level.
- The fifth lumbar vertebra is portrayed by its body being a lot deeper in front than behind, which concurs with the prominence of the sacrovertebral articulation; by the small size of its spinous process; by the wide span between the inferior articular cycles, and by the thickness of its transverse process, which spring from the body just as from the pedicles.
- Hypapophysis is a process, or other element, of a vertebra developed from the ventral side of the centrum in the initial few vertebrae. Haemal spines and chevron bones are examples of hypapophysis.
Hence, the correct answer is option C.
Note: In people each lumbar vertebra consists of a vertebral body and a vertebral arch. The vertebral curve, consisting of a couple of pedicles and a couple of laminae, encases the vertebral foramen (opening) and supports seven processes.
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