Manubrium (Noun)
Meaning
The upper part of the breastbone.
Classification
Nouns denoting body parts.
Examples
- The manubrium is the widest and uppermost part of the sternum and provides attachment points for the clavicles and the first ribs.
- The manubrium is made of hyaline cartilage and serves as the site of attachment for the sternocleidomastoid muscle.
- During embryonic development, the manubrium is formed from a single ossification center that eventually fuses with the body of the sternum.
- The manubrium is an important landmark in thoracic surgery, as it serves as a reference point for surgical incisions.
- The manubrium and body of the sternum are connected by a cartilaginous joint called the manubriosternal joint.