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Rectus sheath

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Dr. sana yaseen
Dr. sana yaseen

rectus sheath, the sheath covering rectus muscle of anterior abdominal wall, formation of the sheath, the muscles involved in ts formation, and the contents the sheath is covering

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RECTUS SHEATH Dr. SANA YASEEN ANATOMY DEPARTMENT KIMS
RECTUS SHEATH • Is aponeurotic sheath formed by oblique and transverse muscle • Has 2 walls Anterior- complete Posterior- in complete
Rectus sheath
• Above costal margin: Anterior- external oblique Posterior- deficiet • Between costal margin and arcuate line Anteior – external oblique Internal oblique (anterior fibers) Posterior- transverses abdominus internal oblique posterior fiber Below arcuate line: Anterior- ext oblique, internal oblique, transverses abdominus Posterior- deficiet
contents • Muscles: rectus abdominis, pyramidalis muscle • Nerve: lower 6 thoracic nerve lower 5 intercostal nerve subcostal nerve • Arteries : superior epigastric artery inferior epigastric artery • Vein: superior epigastric vein inferior epigastric vein
FUNCTION • Maintain strength of anterior abdominal wall • Increase efficiency of muscle
Rectus sheath

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Rectus sheath

  • 1. RECTUS SHEATH Dr. SANA YASEEN ANATOMY DEPARTMENT KIMS
  • 2. RECTUS SHEATH • Is aponeurotic sheath formed by oblique and transverse muscle • Has 2 walls Anterior- complete Posterior- in complete
  • 4. • Above costal margin: Anterior- external oblique Posterior- deficiet • Between costal margin and arcuate line Anteior – external oblique Internal oblique (anterior fibers) Posterior- transverses abdominus internal oblique posterior fiber Below arcuate line: Anterior- ext oblique, internal oblique, transverses abdominus Posterior- deficiet
  • 5. contents • Muscles: rectus abdominis, pyramidalis muscle • Nerve: lower 6 thoracic nerve lower 5 intercostal nerve subcostal nerve • Arteries : superior epigastric artery inferior epigastric artery • Vein: superior epigastric vein inferior epigastric vein
  • 6. FUNCTION • Maintain strength of anterior abdominal wall • Increase efficiency of muscle