Dissection of breast and anterolateral thoracic wall

Superficial vessels and nerves; breast; pectoral fascia and muscles

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Image #114-5
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Dissection of breast and anterolateral thoracic wall
Superficial vessels and nerves; breast; pectoral fascia and muscles
The fascia remains intact on the left side of the specimen. On the right side the fascia has been cut away except in the area occupied by the mammary gland.
1 . Sternocleidomastoid muscle
2 . Clavicle
3 . Deltopectoral triangle
4 . Deltoid muscle
5 . Pectoralis major muscle
6 . Cephalic vein
7 . Axilla
8 . Nipple (mammary papilla)
9 . Subcutaneous fat of breast
10 . Mammary body
11 . External abdominal oblique muscle
12 . Rectus abdominis muscle (covered by sheath of rectus abdominis muscle)
13 . Superficial cervical fascia
14 . Middle supraclavicular nerves
15 . Anterior supraclavicular nerve
16 . Upper pointer: Sternal angle Lower pointer: Anterior cutaneous branch intercostal nerve II
17 . Pectoral fascia
18 . Lateral cutaneous branch intercostal nerve IV
19 . Serratus anterior muscle
20 . Superficial fascia