Layers of thoracic wall 1. skin 2. Sup. fascia: mammary, fat tissue, sup. blood vessels, cutaneous nn and lymphatic vessels 3. Deep fascia 4. Muscles: 4 layers 5. Intercostal space: intercostal muscles, intercostal blood vessels and nerves, int thoracic blood vessels and lymph nodes 6. Int. thoracic fascia: dense connective tissue. lined on the inner surface of ribs and intercostal spaces
Layers of thoracic wall 1. skin 2. Sup.fascia: mammary, fat tissue, sup. blood vessels, cutaneous nn. and lymphatic vessels. 3. Deep fascia. 4. Muscles: 4 layers: 5. Intercostal space: intercostal muscles, intercostal blood vessels and nerves, int. thoracic blood vessels and lymph nodes. 6. Int, thoracic fascia : dense connective tissue, lined on the inner surface of ribs and intercostal spaces
Thoracic wall-Superficial structures Skin Superficial fascia ◆ Mammary Q Artery -internal thoracic a. its branches Vein-thoracoepigastric veins, Lateral thoracic v ◆ Cutaneous nn ◆ Supraclavicular n Ant cutaneous branch of intercostal nn Lat cutaneous branch of intercostal nn
Thoracic wall-Superficial structures Skin Superficial fascia Mammary Artery - internal thoracic a. & its branches Vein - thoracoepigastric veins, Lateral thoracic v. Cutaneous nn. Supraclavicular n. Ant.cutaneous branch of intercostal nn. Lat.cutaneous branch of intercostal nn
Sup. structures of thoracic walls Deltopectoral groove supraclavicular n. anterior cutaneous branches of intercostal n perforating branches of internal thoracic a cephalic v lateral cutaneous branches of intercostal n thoracoepigastric v 8
Copy Right- hongqi zhang 张红旗 of Department of Anatomy-Fudan University Copy Right- hongqi zhang 张红旗 of Department of Anatomy-Fudan University Sup.structures of thoracic walls Deltopectoral groove 8
Copy Right- hongqi Zhang张红旗 of Department of Anatomy-Fudan University Cutaneous nerves of thoracic wall Lat. cutaneous branch of intercostal nerve Attention the distribution of Ant cutaneous branch of intercostal nerve lower six pairs of thoracic nn Copy Right- hongqi zhang张红旗 of Department of Anatomy- Fudan University
Copy Right- hongqi zhang 张红旗 of Department of Anatomy-Fudan University Copy Right- hongqi zhang 张红旗 of Department of Anatomy-Fudan University Ant.cutaneous branch of intercostal nerve Lat.cutaneous branch of intercostal nerve Cutaneous nerves of thoracic wall Attention: the distribution of lower six pairs of thoracic nn
Thoracic wall -deep structures Deep structures Deep fascia Superficial layer Deep layer-clavipectoral fascia Muscles of thorax Pectoralis major Rectus abdominis First layer 二头肌 Ext obliquus m Subclavius emus abdominis Pectoralis minor F Second layer mus abdominis Serratus anterior Intersects Lines alba 疲壁下动 Ext Intercostal m 园sien Int intercostal m -Third layer 投沟神 innermost intercostal m 谁状机 Transverse thoracic m. Fourth layer creaser Endothoracic fascia
Thoracic wall - deep structures Deep structures Deep fascia Superficial layer Deep layer—clavipectoral fascia Muscles of thorax Pectoralis major Rectus abdominis Ext.obliquus m. Subclavius Pectoralis minor Serratus anterior Ext. Intercostal m. Int.intercostal m. innermost Intercostal m. Transverse thoracic m. Endothoracic fascia First layer Second layer Third layer Fourth layer