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Abdominal Wall & Inguinal Region: Structures Linked to Gut Tube & Urogenital System, Study notes of Anatomy

An in-depth exploration of the anatomy of the abdominal wall and inguinal region, focusing on the structures associated with the gut tube and urogenital system. It covers various ligaments, vessels, and muscles, including the midline structures and those derived from the iliac vessels. Additionally, it discusses the contrast between unpaired and bilaterally paired structures and their roles in the body.

What you will learn

  • What are the major nerves and vessels located in the Triangle of Pain and Triangle of Doom?
  • What are the differences between indirect, direct, and femoral hernias in terms of anatomy and prevalence?
  • What are the midline structures associated with the gut tube and urogenital system?
  • What are the structures derived from the iliac vessels and how do they differ from midline structures?
  • What is the function of the rectus abdominis muscle in relation to the inguinal region?

Typology: Study notes

2021/2022

Uploaded on 09/27/2022

benjamin56
benjamin56 🇬🇧

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Internal abdominal wall and
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Mathew Wedel, 2015
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Download Abdominal Wall & Inguinal Region: Structures Linked to Gut Tube & Urogenital System and more Study notes Anatomy in PDF only on Docsity!

Internal abdominal wall and

inguinal region

Mathew Wedel, 2015

gut tube

gut tube

gut tube

dorsal mesentery

ventral mesentery

visceral peritoneum

parietal peritoneum

dorsal mesentery

visceral peritoneum

parietal peritoneum

MIDGUT &

HINDGUT

FOREGUT

anterior superior iliac spine (ASIS)

pubic tubercles

pubic symphysis

anterior superior iliac spine (ASIS)

pubic tubercles

pubic symphysis

inguinal ligament (Poupart’s ligament

iliopectineal arch

lacuna musculorum

lacuna vasorum together constitute retroinguinal space

lateral femoral cutaneous N

femoral N

iliacus (lateral) and psoas (medial) MM

lacuna musculorum

lacuna vasorum together constitute retroinguinal space

pectineal ligament (Cooper’s ligament)

lacunar ligament (Gimbernat’s ligament)

umbilicus - single

falciform ligament (ventral mesentery)

  • single

ligamentum teres (obliterated umbilical V)

  • single

umbilicus - single

ligamentum teres (obliterated umbilical V)

  • single

falciform ligament (ventral mesentery)

  • single

bladder

mediaN umbilical lig. (obliterated urachus)

  • single

umbilicus - single

ligamentum teres (obliterated umbilical V)

  • single

falciform ligament (ventral mesentery)

  • single

mediaN umbilical lig. (obliterated urachus)

  • single

bladder

mediaL umbilical lig. (obliterated umbilical A)

  • paired

internal iliac A (many branches, see future lecture)

  • paired

rectus abdominis M

umbilicus - single

ligamentum teres (obliterated umbilical V)

  • single

falciform ligament (ventral mesentery)

  • single

mediaN umbilical lig. (obliterated urachus)

  • single

bladder

mediaL umbilical lig. (obliterated umbilical A)

  • paired

internal iliac A (many branches, see future lecture)

  • paired

lateral umbilical fold (inferior epigastric A&V)

  • paired

Contrast the unpaired, midline structures associated with the gut tube and urogenital system with the bilaterally paired structures derived from the iliac vessels.

rectus abdominis M

interfoveolar ligament (Hesselbach’s ligament)

  • continuous with transversus abdominis M

ductus deferens

testicular A&V (internal spermatic vessels)

deep inguinal ring (in lateral umbilical fossa)

femoral ring (entrance to femoral canal)

deep inguinal ring (in lateral umbilical fossa)