APPENDIX
- 4 vermiform appendix
- 4.1 dimensions
- 4.1.1 2 to 20 cm
- 4.2 positions
- 4.2.1 lies in right iliac fossa
- 4.2.2 hour hand of clock
- retrocolic - 12
- preileal - 2 0 clock
- post ileal 2 o clock
- promonteric - 3 o clock
- pelvic 4 o clock
- midinguinal 6 o clock
- paracolic 11 o clock
- 4.3 appendicular orifice
- 4.3.1 posteromedial aspect pf caecum
- 4.3.2 guarded by valve of gerlach
- 4.3.3 marked by a point 2cm below junctn of transtubercular and right lateral plane
- 4.3.4 MacBurney's point is of maximum tenderness in appendicitis
- 4.4 lumen of appendix
- 4.5 peritoneal relations
- 4.5.1 mesoappendix or appendicular mesentery
- 4.6 blood supply
- 4.6.1 appendicular artery
- branch of lower division of ileocolic artery
- runs behind terminal part of ileum
- anastomose with posterior caecal artery
- 4.7 nerve supply
- 4.7.1 sympathetic nerve t9 - t10 segments
- through celiac plexus
Discussion