Upper-Outer Quadrant of the Breast

The quarter of the breast which is superior and medial.

The upper one third of esophagus in which the muscle layer is composed of muscle cells of the striated type.

An infectious process affecting the upper respiratory tract (nose, paranasal sinuses, pharynx, larynx, or trachea). Symptoms include congestion, sneezing, coughing, fever, and…

The sinuses and those parts of the respiratory system above the trachea. It includes the nares, nasopharynx, oropharynx, larynx, vocal cords, glottis…

A hole in the top portion of the chest through which the arteries and veins of the head and neck, esophagus and…

The lobe of the right lung, situated above the horizontal fissure, which includes the apex.