What is the name of the upper portion of the sternum quizlet?

In mammals the sternum is divided into three parts, from anterior to posterior: (1) the manubrium, which articulates with the clavicles and first ribs; (2) the mesosternum, often divided into a series of segments, the sternebrae, to which the remaining true ribs are attached; and (3) the posterior segment, called the …

What is the body of the sternum called?

The sternum develops as three distinct parts: the manubrium, the body of the sternum (sometimes called the gladiolus), and the xiphoid process.

What is the lower portion of the sternum?

The body or middle portion of the sternum serves as the anterior attachment for ribs 2 through 7. The inferior tip of the sternum is called the xiphoid process, meaning “sword shaped.”

What is the name for the middle portion of the sternum?

The sternum connects the ribs via the costal cartilages forming the anterior rib cage. The manubrium is the broad superior segment, the body is the middle portion, and the xiphoid process is a narrower distal segment forming the partial T-shape.

What are the parts of the sternum quizlet?

Parts of the sternum

Manubrium. Location.
Jugular notch. Location.
Clavicular notch. Location.
Body. Location.
Costal Notches. Location.
Xiphoid. Location.

What is the name of the upper arm bone?

humerus
Your arm is made up of three bones: the upper arm bone (humerus) and two forearm bones (the ulna and the radius).

What are the 3 parts of the sternum?

The sternum is a partially T-shaped vertical bone that forms the anterior portion of the chest wall centrally. The sternum is divided anatomically into three segments: manubrium, body, and xiphoid process.

Is the flared portion of the bone?

The central tubular region of the bone, called the diaphysis, flares outward near the end to form the metaphysis, which contains a largely cancellous, or spongy, interior. At the end of the bone is the epiphysis, which in young people is separated from the metaphysis by the physis, or growth plate.

What are the sections of the sternum?

The sternum is divided anatomically into three segments: manubrium, body, and xiphoid process. The sternum connects the ribs via the costal cartilages forming the anterior rib cage.

How many costal notches are there in sternum?

Costal notches – 7 small depressions located on each side of the sternum. They serve as areas of attachment for the costal cartilages of the first 7 ribs.