Inguinal canal- Anatomy

Anatomy of Inguinal Canal

1. INGUINAL CANAL

2. INTRODUCTION

3. PECULIARITIES IN FEMALE IN NEWBORN

4. CONTENTS OF INGUINAL CANAL

5. BOUNDARIES OF INGUINAL CANAL ANTERIOR WALL POSTERIOR WALL ROOF FLOOR INLET OUTLET

6. ANTERIOR WALL

7. POSTERIOR WALL

8. ROOF

9. FLOOR Lacunar ligament Inguinal ligament

10. MNEMONICS MALT (2M, 2A, 2L, 2T) Superior wall (roof): 2  M uscles : internal oblique  M uscle transverse abdominus   M uscle A nterior wall : 2  A poneuroses : A poneurosis of external oblique A poneurosis of internal oblique L ower wall (floor): 2  L igaments : inguinal  L igament· lacunar   L igament Posterior wall: 2 T s: T ransversalis fascia conjoint  T endon

11. INLET& OULET OF THE CANAL

12. DEEP INGUINAL RING

13. SUPERFICIAL INGUINAL RING

14. DEFENSIVE MECHANISM OF THE INGUINAL CANAL SHUTTER MECHANISM OR FLAP VALVE STRENGTHENING OF THE ANTERIOR AND POSTERIOR WALLS DEMI- SPHINCTERS CREMASTERIC PLUG OR BALL VALVE MECHANISM

15. DEFENSIVE MECHANISM OF INGUINAL CANAL

16. DEFENSIVE MECHANISM OF INGUINAL CANAL

17. DEFENSIVE MECHANISM OF INGUINAL CANAL

18. DEFENSIVE MECHANISM OF INGUINAL CANAL

19. DEVELOPMENT OF INGUINAL CANAL During the formation of anterior abdominal wall muscles a peritoneal fold – PROCESSUS VAGINALIS is formed due to the descent of gubernaculum & testes into the scrotum during embryonic life.

20. APPLIED ANATOMY INGUINAL HERNIA TYPES OF INGUINAL HERNIA - OBLIQUE INGUINAL HERNIA - DIRECT HERNIA - Lateral variety - M edial variety by the H esselbach triangle

21. OBLIQUE INGUINAL HERNIA TYPES ARE - Vaginal - Funicular - Infantile - Interstitial

22. Variants of the patent processus vaginalis

23. DIRECT HERNIAS & INDIRECT HERNIA

24. DIRECT HERNIA THEY ARE TWO TYPES - MEDIAL DIRECT HERNIA - LATERAL DIRECT HERNIA

25. Moore, K.L., Dalley, A.F. Clinically Oriented Anatomy © Lippincott, Williams & Wilkins

26. HESSELBACHS TRIANGLE