Posterior Rib Anatomy

The typical rib consists of a head neck and body. The rib cage is collectively made up of long curved individual.

Thoracic Cage Ribs Fontanelles

There are two classifications of ribs atypical and typical.

Posterior rib anatomy. 122 123a rib from the middle of the series should be taken in order to study the common characteristics of these bones. The head is wedge shaped and has two articular facets separated by a wedge of bone. The superior fibres originate from the spinous processes of the c7 to t3 vertebrae and attach to the superior borders of ribs two to four.

The ribs partially enclose and protect the chest cavity where many vital organs including the heart and the lungs are located. One facet articulates with the numerically corresponding vertebrae and the other articulates with the vertebrae above. The first seven pairs of ribs are true ribs as they are attached to the sternum directly by costal cartilages anteriorly false ribs.

Common characteristics of the ribs figs. Tubercle small elevation on the posterior surface of the rib at the junction of the head and neck. The 8 th to 10 th ribs converge anteriorly to each other via costal cartilages and eventually to the seventh rib therefore their connection to the sternum is indirect and hence.

The typical ribs have a generalised structure while the atypical ribs have variations on this structure. This part of the muscle is thought to elevate the ribs. Each rib has two extremities a posterior or vertebral and an anterior or sternal and an intervening portionthe body or shaft.

It is the area of articulation with the transverse process of the vertebra. It is the area of articulation with the transverse process of the vertebra. The part of the muscle is thought to depress the ribs.

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