PECTORAL REGION
Skin ( त्वचा )
Superficial fascia ( ऊपरी प्रवरण )
Contents ( अंतर्वस्तु )
BREAST (स्थन )
Cutaneous nerves
derived from cervical plexus
supraclavicular nerves
medial , lateral and intermediate
supply the skin over upper half of deltoid
from
clavicle
to second rib
intercostal nerves ( अंतरापर्शुका )
anterior and lateral cutaneous branches
supply skin below level of second rib
intercostobranchial
nerve
of T2 supplies
skin of floor of axilla
upper half of medial side of arm
cutaneous vessels ( त्वचा वाहिका )
perforating branches of internal thoracic artery
lateral cutaneous nerves are accompanied
lateral cutaneous branches of posterior intercostal arteries
platysma
supplied by a branch of facial
nerve
Above pectoralis major
muscle
Deep pectoral fascia
covers pectoralis major
muscle
Below pectoralis major
muscle
Clavipectoral fascia
extent
clavicle
to axillary fascia below
upper part splits ( ऊपर का भाग )
to enclose subclavius
muscle
posterior lamina
fused to investing layer of
deep
cervical fascia
inferiorly splits to enclose pectoralis minor
muscle
pierced by
lateral pectoral
nerve
( पार्श्व वक्षच्छद तंत्रिका )
cephalic vein
thoracoacromial artery
lymphatics passing from breast and pectoral region to apical
group
of axillary lymph nodes