anatomy
DESCRIPTION
anatomyTRANSCRIPT
Colon and appendix
Dr. A. C. Oettlé
Department of Anatomy
Netter plate 242 and 261
Netter plate 276
Teniae coli
Haustra/sacculations
Omental appendices
Caliber
45 cm
R colic/
hepatic
flexure
L colic/ splenic
flexure by
phrenicocolic
ligament
Ends at rectosigmoid
junction S3 40 cm
Netter plate 263
Transverse
mesocolon
Sigmoid
mesocolon
Mesentery
in 25%
Mesentery
in 33%
R paracolic
gutter
L paracolic
gutter
Netter plate 266
Caecum and appendix
Blind intestinal pouch
7,5 by 7,5 cm
surrounded by
peritoneum but without
a mesentery in the R
iliac fossa
Caecal folds
bound it to the
lateral
abdominal wall
Netter plate 273
Netter plate 274
Frenula of ileo-
caecal valve
Netter plate 275
Appendix
Retrocaecal
position
most
common
Netter plate 288
Ileocolic artery
R colic artery
Middle colic artery
L colic artery
Sigmoidal
arteries
Superior rectal
artery
Anastomses
Appendicular
branch
Marginal artery
Netter plate 291
Netter plate 296
Epicolic LN
Paracolic
LN Ileocolic
LN
R colic LN
Middle colic LN
Left colic LN
Netter plate 302
Superior
hypogastric
plexus
• Rotation of the midgut, p. 507 Meiringet al
• •After elongation the intestinal loop herniateswith pre arterial portion cranially and post arterial portion caudally •Rotation 90º counter clockwise: pre arterial loop on the right and post arterial loop on the left •A further rotation 90º counter clockwise whilst returning to abdomen •Small intestine lies posterior to SMA •A further rotation 90º counter clockwise within the abdomen •Transverse colon anterior to SMA and caecum migrating to right iliac fossa
Rectum and anus
Dr. A. C. Oettlé
Department of Anatomy
Netter plate 372
Recto-
sigmoid
junction
at the
level of
S3
Netter plate 343
Peritoneal
coverings of
the rectum:
Superior 1/3:
anterior and
lateral
Middle 1/3:
anterior and
Inferior 1/3:
no surface
Netter plate 371
Netter plate 373
Sharp
internal
flexures:
Superior
Intermediate
Inferior
Netter plate 374
Gray’s fig. 5.38, p. 440
Netter plate 378, 379, 388, 390 and 391