Sternum

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It is a flat, flat and odd bone. It is an important hematopoietic bone.

It has 3 parts:

Manubrium
Body
Xiphoid Process

Manubrium

Previous Face

External or Pectoral

Lisa

Back face

Internal or Pleural

Concave and Lisa

Top Edge

Jugular notch

Right and Left Clavicular Notches

Side Edge

It has a costal notch for the 1st costal cartilage and 1/2 for the 2nd

Edge Bottom

Articulates with the body

Sternal Angle & #8211; between the Manubrium and the Body

Body

Outer Face: Anterior or Pectoral (flat)

Internal Face: Posterior or Pleural (Concave)

Upper Edge: Articulates with the manubrium

Bottom Edge: Articulates as xiphoid process

Side Edge: 1/2 costal notch for 2nd costal cartilage and costal notches for 3rd to 7th costal cartilage

Process Xiphoid

It is thin and elongated. It is the smallest of the three portions.

Xiphoid process foramen

THE Sternum hinges with the Clavicles and Cartilage of the Seven (7) First Ribs.

STERNAL & #8211; PREVIOUS AND SIDE VIEW

Source: SOBOTTA, Johannes. Atlas of Human Anatomy. 21st. Rio de Janeiro: Guanabara Koogan, 2000.

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