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- It is the large, cylindrical, weight-bearing component that forms the anterior part of all vertebrae. Its superior and inferior regions are covered by hyaline cartilage. A fibrocartilaginous intervertebral disc separates the adjacent vertebral bodies from each other.
www.theskeletalsystem.net › spine-vertebral-columnSpine (Vertebral Column) – Bones, Anatomy, & Labeled Diagram
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Together with the armadillos, which are in the order Cingulata, pilosans are part of the larger superorder Xenarthra, a defining characteristic of which is the presence of xenarthrals (extra formations between lumbar vertebrae). In the past, Pilosa was regarded as a suborder of the order Xenarthra, while some more recent classifications regard ...
Like the armadillos (order Cingulata), also of superorder Xenarthra, pilosans are distinguished from other mammals by the presence of xenarthrales (additional, unique articulations between lumbar vertebrae), a double posterior vena cava vein, a divided womb in females, who also have a common genital and urinary tract.
- Mammalia
- Chordata
- Animalia
- Xenarthra
Nov 14, 2022 · The vertebral column (also known as the backbone or the spine), is a column of approximately 33 small bones, called vertebrae. The column runs from the cranium to the apex of the coccyx, on the posterior aspect of the body. It contains and protects the spinal cord.
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The pedicles are anchored to the posterior side of the vertebral body. Each lamina forms part of the posterior roof of the vertebral arch. The large opening between the vertebral arch and body is the vertebral foramen, which contains the spinal cord.
- Lindsay M. Biga, Sierra Dawson, Amy Harwell, Robin Hopkins, Joel Kaufmann, Mike LeMaster, Philip Mat...
- 2019
The vertebral column originally develops as a series of 33 vertebrae, but this number is eventually reduced to 24 vertebrae, plus the sacrum and coccyx. The vertebral column is subdivided into five regions, with the vertebrae in each area named for that region and numbered in descending order.
Pilosa. Cingulata. xenarthran, (magnorder Xenarthra), an ancient lineage of mammals comprising the armadillos (order Cingulata) and the sloths and anteaters (order Pilosa). The namesake feature shared by all members of Xenarthra is seen in the lower backbone.
Feb 22, 2024 · A person’s spine consists of several different parts. Each part plays a different role in helping the spine to function correctly. Vertebrae. The spine consists of 33 vertebrae. These bones ...
