Basic anatomy 1

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Basic Anatomy for Basic Science Examination of OB GYN resident

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Basic anatomy 1

  1. 1. Basic Anatomy for Gynecologists
  2. 2. Systematic Orientation  Abdominal Wall  Perineum & Pelvic Floor  Pelvic Viscera  Important Vessels, Nerves, and other structures
  3. 3. The Abdominal Wall  Abdominal Wall Layers  Skin  Subcutaneous Tissue  Musculoaponeurosis  Transversalis fascia  Peritoneum
  4. 4. Skin & Subcutaneous Tissue  Skin  Transverse fiber in dermal layer (gently curving concave upward line)  More tension on the skin of a vertical incision
  5. 5. Skin & Subcutaneous Tissue  Subcutaneous tissue (fat globules+fibrous septa)  Camper fascia  Superficial, fat predominates  Scarpa fascia  Deeper, fibrous tissue predominates  Best developed laterally
  6. 6. Musculoaponeurotic Layer  Hold viscera in place & control movement of torso  Compositions  Muscles  Vertical muscles • Rectus abdominis • Pyramidalis  Oblique muscles • External oblique • Internal oblique • Transverse abdominal  Aponeurosis: Rectus sheath or rectus fascia
  7. 7. สิ่งที่เป็นจริง  ให้ตัวอย่างหรือเหตุการณ์ที่เป็นจริง  แสดงความเห็นด้วยหรือสนับสนุนต่อ สถานการณ์ของผู้ฟัง ถ้าเป็นไปได้และ เหมาะสม
  8. 8. External oblique External oblique Internal oblique Internal oblique Transversus abdominis Transversus abdominis Above arcuate line Below arcuate line
  9. 9. Transversalis fascia & Peritoneum  Transversalis fascia  A layer of fibrous tissue that lines the abdominopelvic cavity  Separated from the peritoneum by a variable layer of adipose tissue
  10. 10.  Peritoneum  A single layer of serosa  The 5 vertical folds  Single median umbilical fold • Urachus (median umbilical ligament)  Paired medial umbilical folds • Obliterated umbilical arteries  Paired lateral umbilical folds • Inferior epigastric arteries & veins Transversalis fascia & Peritoneum
  11. 11. Blood Supply  Superficial  Supply skin and subcutaneous tissue  3 vessels  Superficial epigastric  Superficial circumflex iliac  External pudendal
  12. 12.  Deep  Supply the musculofascial layer  Superior epigastric vessels Inferior epigastric vessels  Musculophrenic vessels Deep circumflex iliac vessels Blood Supply
  13. 13. Nerves  Intercostal nerve 7-11  Subcostal nerve (T12)  Iliohypogastric nerves (T12, L1)  Ilioinguinal nerves (L1)  Genitofemoral nerves (L1, L2)

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