Apex

Definition

The apex of the lung is the uppermost portion of the lung, extending into the root of the neck, above the level of the first rib. It's a critical structure in understanding lung anatomy and its relation to adjacent areas in the thoracic cavity.

Related terms

Pleura:

A double-layered membrane surrounding each lung that provides lubrication and facilitates breathing movements.

Bronchi:

The major air passages that branch off from the trachea into each lung, serving as main pathways for air delivery.

Diaphragm:

A large, dome-shaped muscle below the lungs that plays a key role in breathing by contracting and relaxing to change thoracic pressure and volume