Ant Abd Wall Skin And Fascia Part 1 Flashcards
Cutaneous nerve supply-
Anterior rami of lower 6 thoracic nerves (T7-T12)
- Lateral Cutaneous branches
- Anterior Cutaneous branches
Lumbar nerves (L1)
- Iliohypogastric nerve
- Ilioinguinal nerve
Cutaneous nerves run:
Between transvers abdominals and the internal oblique
Iliohypogastric and ilioinguinal nerves derive from
L1
Vertical lines of division for abdominal planes
Mid clavicular lines
Horizontal lines of division for abdominal planes
Subcostal plane (L3) Intertubercular plane (L5) Transpyloric plane (L1)
Structures located in transpyloric plane *IMPORTANT
Pylorus of the stomach Neck of pancreas Fund us of gallbladder End of spinal cord Colic flexure Cisterna chyli Tips of the 9th rib
There are ____ (#) abdominal regions
9
Regions between transpyloric and sub coastal lines
Right hypochondrium
Epigastric
Left hypochondrium
Abdominal regions between subcostal and intertubercular lines
Right flank (AKA right lumbar region) Umbilical region Left flank (aka left lumbar region)
Abdominal regions below the intertubercular plane
Right groin (AKA right Iliac region or right inguinal region)
Pubic region (AKA hypogastric region)
Left groin (AKA left iliac region or inguinal region)
Masses of connective tissue large enough to be visible to the unaided eye
Fascia
Fatty layer of the superficial fascia
Camper’s Fascia
Membranous layer of the superficial fascia (2)
Scarpa’s fascia
Colles’ fascia
Anterior abdominal wall muscles
External oblique
Internal oblique
Transversus abdominals
Rectus abdominis
OIN for External abdominal oblique
OR: Lower 8 ribs
INS: Xiphoid process Linea alba Pubic symphysis Pubic crest Pubic tubercle Iliac crest
NS: T7-L1