Fortune-telling sternum is long _ Is sternum a long bone?

The human sternum consists of several parts.

Sternum: It is divided into three parts: sternal stalk, sternal body and xiphoid process. Sternal stalk: wide at the top and narrow at the bottom, with jugular notch on the upper edge and locking notch on both sides. Sternal angle: The joint between the handle and the body is slightly convex, and the second rib is attached on both sides, which is an important symbol of several ribs. Sternal stalk: rectangular, with 2~7 costal cartilages at the outer edge; Xiphoid process: the lower end is free, and the shape changes greatly. The sternum is a flat bone located in the center of the chest wall, which looks like a dagger and is divided into three parts: handle, body and xiphoid process. The middle part of the upper edge of the sternum stalk is slightly concave, which is called jugular notch, and there are clavicular notches on both sides, which are related to the clavicle. The side of the handle is connected with 1 costal cartilage. The joint between the lower edge and the sternum body is slightly forward, called sternal angle, which can be felt from the body surface. Therefore, it is an important sign to determine the serial number of the reinforcement. The sternum is flat and long, and there are notches connecting the second and seventh costal cartilage on both sides. The xiphoid process is changeable in shape and located between the left and right rib arches. Some people keep cartilage shape all their lives.