What is the broad superior portion of the lung called?

The broad superior portion of the lung is referred to as the apex. The apex of the lungs is the pointed top part that extends into the thoracic cavity above the level of the first rib. It is important to understand the anatomy of the lungs, as the apex is a distinct area that plays a role in lung function. The apex is anatomically positioned above the main part of the lung, which contributes to how the lungs fit within the thoracic cavity and interact with surrounding structures.

The base, on the other hand, is the broader bottom portion of the lung that sits on the diaphragm and is not considered the superior portion. Understanding these anatomical distinctions is vital for studying respiratory physiology and pathology as they relate to lung function and clinical assessments.