GI: Rectum & Anal Canal Figure 1

Figure 1GI: Rectum & Anal Canal

Figure 1.2GI: Rectum & Anal Canal

Piriformis

Coccygeus

Iliococcygeus

Obturator Internus

Pubococcygeus

Puborectalis

Rectum

Vagina/Uterus

UrethraBladder

Tendinous Arch

Figure 2.1

GI: Rectum & Anal Canal Figure 2.2

Figure 2.3

1= Sigmoid Colon2 = Rectum3 =Anal Canal

= Rectosigmoid Junction= Rectoanal Junction

4 = External Anal Sphincter5 = Internal Anal Sphincter6 = Transverse Rectal Fold

3

1

2

45

4

6

Figure 3.1 Figure 3.2GI: Rectum & Anal Canal

Blue + Red = PerineumBlue = Anal TriangleRed = Genitofemoral TriangleYellow = Ischioanal FossaLevator Ani

A = IliococcygeusB = PubococcygeusC = Puborectalis

B

A

C

Anterior

Figure 4.1

GI: Rectum & Anal Canal

1= Sigmoid Colon2 = Rectum3 =Anal Canal

= Rectosigmoid Junction= Rectoanal Junction

4 = External Anal Sphincter5 = Internal Anal Sphincter6 = Transverse Rectal Fold

3

1

2

45

Figure 4.2 Figure 4.3

4

GI: Rectum & Anal Canal

6

Piriformis m.

Pudendal n.

Internal Pudendal a.

Inferior rectal nn.

Sacrotuberous ligament

Sacrospinous ligament

External anal sphincter Pelvic diaphragm (pelvic floor)