Anatomical borders boundaries of mediastinum the mediastinum has distinct borders superior inferior posterior anterior and lateral the lateral borders comprise the medial part of.
Other structures in the superior mediastinum thymus the thymus gland is the most anterior structure within the superior mediastinum it sits flush against the posterior surface of the sternum and extends into the anterior mediastinum fig 4 and can often reach into the neck.
A transverse plane passing through the sternal angle to the junction of vertebrae t4t5 separates superior from inferior mediastinum or think of uperior mediastinum as above heart space in front of heart is anterior mediastinum.
Then we will start from the anterior boundary and work our way through the superior mediastinum from anterior to posterior with the thorax in tact the first thing you see when you get ready to study the superior mediastinum is the manubrium of the sternum and the cartilage of the first rib.
Know the boundaries and subdivisions of mediastinum know the contents and the relationships among structures of anterior and posterior mediastina mediastinum the space between the pleural cavities occupying the center of thoracic cavity is the mediastinum extends superiorly to the thoracic inlet and root of neck.
The anterior mediastinum is that portion of the inferior mediastinum which lies anterior to the pericardium 3 the posterior mediastinum is that portion of the inferior mediastinum which lies posterior to the pericardium.
The mediastinum is one of these things in anatomy that has different borders lateral borders posterior anterior superior and inferior borders to define it the lateral borders of the mediastinum are made up by the medial aspect of the pleural cavities.
The mediastinum is an area found in the midline of the thorax that is surrounded by the left and right pleural sacs it is divided into the superior and inferior mediastinum of which the latter is larger the inferior mediastinum is further divided into the anterior middle and posterior mediastinumevery compartment of the mediastinum contains many vital organs vascular and neural.
Span classnews_dtaug 08 2018spannbsp018332the anterior mediastinum is located between the sternum and the pericardium the posterior mediastinum is located between the pericardium and thoracic vertebrae boundaries anterior sternum.