What is the anterior end of the rib called?

What is the anterior end of the rib called?

costal cartilage
Anteriorly, each rib ends in a costal cartilage. True ribs (1–7) attach directly to the sternum via their costal cartilage. The false ribs (8–12) either attach to the sternum indirectly or not at all. Ribs 8–10 have their costal cartilages attached to the cartilage of the next higher rib.

What is anterior to the rib cage?

Sternum. The sternum is the elongated bony structure that anchors the anterior thoracic cage.

What muscles cover the rib cage?

Your intercostal muscles lie between your ribs, attaching them to one another. They help stabilize your upper body and help you breathe. There are three layers of intercostal muscles: the external intercostals, the internal intercostals, and the innermost intercostals.

What is the anterior end of the rib called quizlet?

The anterior end of the ribs is called the vertebral end. Which aspect of the ribs articulates with the transverse process of the thoracic vertebrae? What 3 structures are found within the costal groove of each rib?

Where is the anterior rib?

In the anterior thorax, the first 7 pairs of ribs are attached to the sternum or breastbone by cartilage. The lower 5 ribs do not attach to the sternum. The 8th, 9th, and 10th ribs are attached to each other by costal cartilage.

Is the sternum anterior to the ribs?

Thoracic Cage: Sternum The sternum or breastbone is a long, flat, bony plate connected to the rib bones via cartilage that forms the anterior section of the rib cage.

What are the anterior muscles?

Anterior Muscles of the Human Body

• Sternocleidomastoid.
• Trapezius.
• Serratus Anterior.
• Latissimus Dorsi.
• Pectoralis Major.
• Pectoralis Minor (deep muscle)
• Rectus Abdominus.
• External Oblique.

Is the serratus anterior muscle?

The serratus anterior acts to pull the scapula forward around the thorax. The muscle is named from Latin: serrare = to saw, referring to the shape, anterior = on the front side of the body….Serratus anterior muscle.

What ribs connect directly to the sternum quizlet?

Ribs 1–7 are classified as true ribs (vertebrosternal ribs). The costal cartilage from each of these ribs attaches directly to the sternum. Ribs 8–12 are called false ribs (vertebrochondral ribs). The costal cartilages from these ribs do not attach directly to the sternum.

Which of rib pairs connect directly to the sternum quizlet?

True ribs directly connect to the sternum, while false ribs connect to the costal cartilage of the seventh rib.

Where is the sternal notch?

What covers the sternum?

The sternum is composed of highly vascular tissue, covered by a thin layer of compact bone which is thickest in the manubrium between the articular facets for the clavicles.