Manubrium

Definition

The manubrium is the upper portion of the sternum, a flat bone located at the front center of the thoracic cage. It serves as an attachment point for the first two ribs and the clavicle.

Related terms

Sternum:

The long, flat bone in the center of the chest that connects with the ribs via costal cartilages to form the front part of the rib cage.

Clavicle:

A long bone that sits horizontally at the top of the chest, connecting to both the manubrium and scapula, known commonly as the collarbone.

Rib Cage:

The bony framework of the chest, consisting of ribs connected to a sternum and vertebrae, providing protection for vital thoracic organs