GENERAL HISTOLOGY

Detailed explanation-1: -It ends at the level of the jugular notch of sternum, which represents the upper border of the superior mediastinum. The thoracic part of trachea, which is located within the superior mediastinum of the thorax. It begins from the superior thoracic aperture and ends at the tracheal bifurcation.

Detailed explanation-2: -It’s located in the front, upper part of your mediastinum. Trachea: Your trachea (windpipe) helps you breathe. It’s located just in front of your esophagus. It travels from your lower neck into your chest, before branching in two and traveling into each of your pleural cavities.

Detailed explanation-3: -The middle mediastinum contains the vagus nerve, recurrent laryngeal nerve, heart, proximal pulmonary arteries and veins, trachea and root of the bronchial tree and associated bronchial lymph nodes, and superior and inferior vena cava.

Detailed explanation-4: -The superior mediastinum is a space bounded anteriorly by the manubrium of the sternum, and posteriorly by the bodies of T1-T4 vertebrae. Its superior border is an oblique plane extending from the jugular notch of the manubrium to the superior border of T1 vertebra.