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What are the names of the five different types of vertebrae in the vertebral column?
Vertebrae are divided into sections: the atlas and axis account for the first cervical vertebrae, of which there are 7 in total; there are 12 thoracic vertebrae, 7 lumbar vertebrae, 1 sacrum (5 separate vertebrae in a baby), and 1 coccyx (4 separate vertebrae in a baby).
Which type of vertebra has facets that articulate with the tubercle of the ribs?
The thoracic vertebra
What is the upper limit of the human thoracic cavity?
The upper limit of the human thoracic cavity is the superior thoracic aperture, which is also known as the thoracic inlet. This aperture is bounded by the first thoracic vertebra, the first pair of ribs, and the superior border of the manubrium of the sternum.
Which part of the spine is the thoracic spine?
There are three parts of the spine, the cervical, thoracic and lumbar. Each vertebrae is listed by its number. For example the first 7 vertebrae (from the top) are listed as C1-C7 meaning C for cervical. The thoracic vertebrae starts after C7, the 8th vertebrae is T1-T12, so there is 12 individual vertebraes in the thoracic spine. After the thoracic, is the lumbar which have 5 individual vertebrae, L1-L5.
How are your ribs numbered?
Ribs are numbered from top to bottom starting from the first rib near the clavicle (rib 1) down to the twelfth rib near the lower spine (rib 12). The ribs attach to the thoracic vertebrae in the back and connect to the sternum in the front, providing protection to the chest cavity.
What are the names of the five different types of vertebrae in the vertebral column?
Vertebrae are divided into sections: the atlas and axis account for the first cervical vertebrae, of which there are 7 in total; there are 12 thoracic vertebrae, 7 lumbar vertebrae, 1 sacrum (5 separate vertebrae in a baby), and 1 coccyx (4 separate vertebrae in a baby).
Which type of vertebra has facets that articulate with the tubercle of the ribs?
The thoracic vertebra
What is the upper limit of the human thoracic cavity?
The upper limit of the human thoracic cavity is the superior thoracic aperture, which is also known as the thoracic inlet. This aperture is bounded by the first thoracic vertebra, the first pair of ribs, and the superior border of the manubrium of the sternum.
Which part of the spine is the thoracic spine?
There are three parts of the spine, the cervical, thoracic and lumbar. Each vertebrae is listed by its number. For example the first 7 vertebrae (from the top) are listed as C1-C7 meaning C for cervical. The thoracic vertebrae starts after C7, the 8th vertebrae is T1-T12, so there is 12 individual vertebraes in the thoracic spine. After the thoracic, is the lumbar which have 5 individual vertebrae, L1-L5.
Are the first two vertebrae the only ones with names?
No, all of the vertebrae in the spine have names. In addition to the first two vertebrae (C1 and C2), the other vertebrae are named based on their location: cervical (C3-C7), thoracic (T1-T12), lumbar (L1-L5), sacral (S1-S5), and coccygeal (Co1-Co4).
How are your ribs numbered?
Ribs are numbered from top to bottom starting from the first rib near the clavicle (rib 1) down to the twelfth rib near the lower spine (rib 12). The ribs attach to the thoracic vertebrae in the back and connect to the sternum in the front, providing protection to the chest cavity.
What are the different vertebrae in the back bone?
You have 7 cervical vertebrae, 12 thoracic vertebrae, 5 lumber vertebrae, 1 sacrum and 1 coccyx. The first cervical vertebra is called as atlas vertebra. The second one is called as axis vertebra.
What ribs connect directly to the sternum?
The first seven ribs connect directly to the sternum via costal cartilage. These ribs are known as "true ribs" or vertebrosternal ribs.
What are the bones that form a cage around the chest?
The rib cage is formed by the sternum (breastbone) in the front, the thoracic vertebrae in the back, and the ribs that connect them. There are 12 pairs of ribs, with the first seven pairs known as true ribs, the next three pairs as false ribs, and the last two pairs as floating ribs.
How many pairs of ribs make up the thoracic cage?
There are 12 pairs of ribs that make up the thoracic cage. The first 7 pairs are known as true ribs because they are directly connected to the sternum. The remaining 5 pairs are called false ribs, with some being floating ribs not connected to the sternum at all.
Why the body of the lumbar vertebra is larger than that of the thoracic vertebra and in the thoracic vertebra more than in the cervical vertebra?
The thoracic spine has twelve vertebral bodies. These structures have very little motion because they are firmly attached to the ribs and sternum (breastbone). Distinguished by the presence of coastal facets for the articulation of the heads of ribs. Body is intermediate in size between the cervical and lumbar vertebrae The lumbar spine has five vertebral bodies that extend from the lower thoracic spine (upper back) to the sacrum (bottom of the spine). The vertebral bodies of the lower back are the largest of the spine because they bear the majority of the body's weight. The paired facet joints on the back of the vertebral segments are aligned so that they allow flexion/extension but not a lot of rotation. Does not have coastal facets nor transverse process foramina
Where is spinal D8?
It refers to the eighth dorsal (thoracic) vertebra. In the human body there are seven cervical, twelve thoracic, five lumbar,five sacral and one coccygeal vertbrae. The are cartilaginous discs in between the adjacent vertebrae acting as shock absorbers. The nerve roots of the same number emerge below the respective vertebrae in the thoracic spine downwards. The first seven cervical nerve roots emerge above the respective vertebrae and the eighth cervical emerges between the C7 and T1.
