The anterior border of the left lung presents, below, an angular notch, the cardiac notch, in which the pericardium is exposed. Opposite this notch the anterior margin of the left lung is situated some little distance lateral to the line of reflection of the corresponding part of the pleura

左肺前缘下部的一明显的缺口。 《人体解剖学名词》第二版。 [1] 左肺心切迹（cardiac notch of left lung）是2014年公布的人体解剖学名词。

On the left lung, there is a deep impression from the left ventricle which forms the cardiac notch. The aortic arch, the left subclavian artery, and the descending thoracic aorta are also identified. The esophagus may leave an impression on the lower portion of the left lung.

The cardiac notch is an indentation on the surface of the left lung, and it allows space for the heart (Figure 1). The apex of the lung is the superior region, whereas the base is the opposite region near the diaphragm.

The left lung consist of two lobes and is longer and narrower than the right lung. The left lung has a concave region on the mediastinal surface called the cardiac notch that allows space for the heart.

2024年4月20日 · The lung's anterior border corresponds to the pleural reflection and has a cardiac notch—a concavity accommodating the left cardiac ventricle—in the left lung. The thin inferior border separates the lung base from the costal surface. The thick posterior border extends from the C7 to T10 vertebrae, from the lung's apex to the inferior border.

The cardiac notch is an indentation on the surface of the left lung that accommodates the heart, allowing it to fit snugly within the thoracic cavity. This anatomical feature ensures that the space occupied by the lungs is shaped to allow room for the adjacent heart.

2018年1月1日 · The cardiac notch is the lateral deflection of the anterior border of the left lung. It is produced to accommodate the space taken up by the heart.

The anterior border of the right lung is almost vertical, and projects into the costomediastinal sinus; that of the left lung presents, below, an angular notch, the cardiac notch, in which the pericardium is exposed.

The cardiac notch, also known as the cardiac impression, is a notable anatomical feature found on the medial surface of the left lung. It serves to create space for the heart’s left ventricle.