AXILLA
, DEFINITION
• It is a pyramid shaped space between the upper part of the arm
and the side of the chest.
• Important Nerves, Blood and Lymph vessels travel through it
from root of the neck to the upper limb.
, AXILLA
• A pyramid-shaped
space between the
upper part of the
arm and the side of
the chest through
which major
neurovascular
structures pass
between neck &
thorax and upper
limbs.
• Axilla has an apex,
a base and four
walls.
, Boundaries of the
Axilla
Apex:
C 1
Is directed upwards L
A R
into the root of the I
neck. B
V
is bounded, by 3 I
bones: C L
E
• Clavicle anteriorly.
• Upper border of the
scapula
posteriorly.
• Outer border of the
first rib medially.
• It is called cervico-
axillary canal.
, DEFINITION
• It is a pyramid shaped space between the upper part of the arm
and the side of the chest.
• Important Nerves, Blood and Lymph vessels travel through it
from root of the neck to the upper limb.
, AXILLA
• A pyramid-shaped
space between the
upper part of the
arm and the side of
the chest through
which major
neurovascular
structures pass
between neck &
thorax and upper
limbs.
• Axilla has an apex,
a base and four
walls.
, Boundaries of the
Axilla
Apex:
C 1
Is directed upwards L
A R
into the root of the I
neck. B
V
is bounded, by 3 I
bones: C L
E
• Clavicle anteriorly.
• Upper border of the
scapula
posteriorly.
• Outer border of the
first rib medially.
• It is called cervico-
axillary canal.
