sternum

Skeletal

Key points

  • The sternum is a flat bone in the midline of the anterior chest wall.
  • Its three parts are the manubrium, body of sternum and xiphoid process.
  • It joins the clavicles and the costal cartilages of the first seven pairs of ribs.
  • The sternum supports the chest wall, provides muscle attachments and helps protect structures behind it.

Read the guide: Sternum: anatomy, location and function

Definition

A midventral endochondral skeletal element which represents the origin site of the pectoral muscles[PHENOSCAPE:ad].

Source: UBERON · Licence: CC-BY-3.0

Definition from the Uberon multi-species anatomy ontology (Mungall CJ et al., Genome Biology 2012, 13:R5), https://obophenotype.github.io/uberon/, licensed under CC BY 3.0 (https://creativecommons.org/licenses/by/3.0/).

Sub-structures

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Wikipedia (English)

Identifiers

TA2
1129
TA98
A02.3.03.001
FMA
7485
UBERON
0000975
Wikidata
Q8481