Which thoracic vertebrae articulate with ribs?

The ribs articulate posteriorly with the T1–T12 thoracic vertebrae, and most attach anteriorly via their costal cartilages to the sternum. There are 12 pairs of ribs. The ribs are numbered 1–12 in accordance with the thoracic vertebrae.

What is the relationship between ribs and thoracic vertebrae?

The thoracic cage is formed by the 12 pairs of ribs with their costal cartilages and the sternum. The ribs are attached posteriorly to the 12 thoracic vertebrae and most are anchored anteriorly either directly or indirectly to the sternum. The thoracic cage functions to protect the heart and lungs.

Which vertebrae do not articulate with ribs?

The xiphoid process does not articulate with any ribs. Ribs: Each rib is a curved flattened bone that contributes to the wall of the thorax. The ribs articulate posteriorly with the T1-T12 vertebrae, and are numbered 1-12 in accordance with the thoracic vertebrae.

What are the vertebrae in the upper back that articulate with the ribs called?

thoracic vertebrae
In addition to being connected to adjacent vertebrae, the thoracic vertebrae are also connected to ribs. The cervicothoracic junction is where the neck (cervical spine) connects with the upper back (thoracic spine).

Which is the best distinguishing feature of thoracic vertebrae?

Distinguishing features of the thoracic vertebrae include the presence of facets on the sides of the bodies for articulation with the heads of the ribs, and facets on the transverse processes of all, except the 11th and 12th vertebrae, for articulation with the tubercles of the ribs.

How can you distinguish between typical and atypical thoracic vertebrae?

Unlike typical thoracic, having half of the costal facet on the upper & half – on the lower edge of the body of the vertebra, the 1st thoracic vertebra has one complete costal facet articulating with the head of the 1st rib + the 1/2 of costal facet (fovea costalis inferior) for the head of 2nd rib.

Why are ribs 8/12 called false ribs?

Ribs 8–12 are called false ribs (vertebrochondral ribs). The costal cartilages from these ribs do not attach directly to the sternum. Thus, the cartilage of rib 10 attaches to the cartilage of rib 9, rib 9 then attaches to rib 8, and rib 8 is attached to rib 7.

What does thoracic spinal stenosis feel like?

The most common symptoms of spinal stenosis include: Neck pain. Stiffness of the neck. Numbness in the shoulders, arms or hands.

What are the features of atypical thoracic vertebrae?

Quiz questions

• superior and inferior articular facets lie in the saggital plane.
• feature horizontal spinous processes.
• are held together by intervertebral discs, which form secondary cartilaginous joints.
• feature a kidney-shaped body with a circular vertebral foramen.
• allow limited rotation.

How do you identify a normal thoracic vertebrae?

Thoracic vertebrae have bodies of intermediate size. They are distinguished by their long, slender spines and by the presence of facets on the sides of the bodies articulating with the heads of the ribs and by facets on the transverse processes articulating with the tubercles of ribs.

What is part of the rib joins the thoracic vertebrae?

The costotransverse joint is where a small notch near the head of the rib (the tubercle) connects with the vertebra’s lateral extension (the transverse process). While T2 through T8 are commonly considered typical thoracic vertebrae, there can be variations from person to person regarding which vertebrae are typical and which are unique.

What bones are attached to the thoracic vertebrae?

Thoracic vertebrae are attached to 12 pairs of ribs that wrap around to the front of the body, where 10 of the 12 pairs also attach to the sternum, or breast bone. Protection for vital organs such as the heart and lungs is achieved by the ribs being attached to the sternum and to the thoracic vertebrae to form the thoracic cavity.

What type of joint is found between the thoracic vertebrae?

A thoracic vertebra. The facet joint is the joint between the inferior articular process (labeled at bottom) and the superior articular process (labeled at top) of the subsequent vertebra.

How do the ribs articulate with the vertebrae?

Typically, the head of a rib articulates with the sides of the bodies of two thoracic vertebrae, and the tubercle articulates with the tip of a transverse process. The costovertebral joints are the plane type of synovial joint that allows for gliding or sliding motions.