Anatomy of GI Rectum and Anal Canal: A Detailed Visual Guide

This visual guide showcases detailed images of the gastrointestinal (GI) rectum and anal canal anatomy, including structures such as the perineum, pelvic diaphragm, external and internal anal sphincters, and various junctions within the rectum. Each image provides a clear depiction of the anatomical features and their relationships, making it a valuable resource for understanding this region of the digestive system.

• Anatomy
• GI Rectum
• Anal Canal
• Visual Guide
• Gastrointestinal

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Uploaded on Sep 13, 2024 | 0 Views

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Presentation Transcript

1. GI: Rectum & Anal Canal Figure 1

2. GI: Rectum & Anal Canal Figure 1.2

3. GI: Rectum & Anal Canal Figure 2.2 Figure 2.1 Piriformis Coccygeus Figure 2.3 Iliococcygeus Rectum Obturator Internus Vagina/ Uterus Tendinous Arch Urethra Bladder Pubococcygeus Puborectalis

4. GI: Rectum & Anal Canal Figure 3.1 Figure 3.2 1= Sigmoid Colon 2 = Rectum 3 =Anal Canal = Rectosigmoid Junction = Rectoanal Junction 4 = External Anal Sphincter 5 = Internal Anal Sphincter 6 = Transverse Rectal Fold 1 2 6 5 4 4 3

5. GI: Rectum & Anal Canal Figure 4.1 Blue + Red = Perineum Blue = Anal Triangle Red = Genitofemoral Triangle Yellow = Ischioanal Fossa Levator Ani A = Iliococcygeus B = Pubococcygeus C = Puborectalis A B C Anterior

6. GI: Rectum & Anal Canal Figure 4.2 Figure 4.3 Pelvic diaphragm (pelvic floor) External anal sphincter 1= Sigmoid Colon 2 = Rectum 3 =Anal Canal = Rectosigmoid Junction = Rectoanal Junction 4 = External Anal Sphincter 5 = Internal Anal Sphincter 6 = Transverse Rectal Fold Inferior rectal nn. Internal Pudendal a. Pudendal n. 1 Piriformis m. 2 Sacrospinous ligament 6 Sacrotuberous ligament 5 4 4 3