PARTS OF STERNUM

Question 1

• is a long flattened bone from front to back that lies
  vertically in the anterior chest wall in the midline.

Answer 1

STERNUM

Question 2

is the upper segment which in early life is
separated from the body by cartilage but later it fuses with
the body.

Answer 2

MANUBRIN

Question 3

is that part that extend
from the manubrium to the Xiphoid process

Answer 3

Body of the Sternum/ Gladiolus

Question 4

is the lower pointed end
below the body at the level of T10.

Answer 4

Xiphoid / Ensiform Process

Question 5

is the concave upper border
of the manubrium at the level of T2-T3.

Answer 5

Supra-Sternal / Jugular Notch

Question 6

are depressions found at each lateral
border of the supra-sternal notch.

Answer 6

Clavicular Notches

Question 7

are depressions on each lateral margin of the
sternum which articulate with the costal cartilages

Answer 7

Costal Notches

Question 8

is the prominent transverse ridge
at the junction of the manubrium and the body of the sternum at
the level of T4-T5.

Answer 8

Sternal Angle / Angle of Louis

Question 9

is formed in the
midline behind the twelve thoracic
vertebrae, by a sternum in front. 12
pairs of ribs and 12 pairs of costal
cartilages complete the framework
behind, laterally and in front.

Answer 9

Thoracic cage

Question 10

Bones of the Thorax are composed
primarily of:

Answer 10

1. Sternum or Breast bone
2. 12 Thoracic vertebrae
3. 12 pairs of ribs.