Abdominal Cavity

Becky Monks
Mind Map by , created over 5 years ago

University Human Structure and Development (Abdominal Cavity) Mind Map on Abdominal Cavity, created by Becky Monks on 05/21/2014.

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Becky Monks
Created by Becky Monks over 5 years ago
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Abdominal Cavity
1 Regions
1.1 Left Hypochondria
1.2 Left Lumbar
1.3 Left Inguinal
1.4 Hypogastrium
1.4.1 Epigastrium
1.5 Right Hypochondria
1.6 Left Lumbar
1.7 Left Inguinal
1.8 Umbilical
2 Abdominal Wall Muscles
2.1 Rectus Abdominus
2.1.1 Linea alba partions up the midline
2.1.2 Linea semilunaris on lateral edge
2.1.3 Enclosed by rectus sheath
2.1.3.1 aponeuroses of other three muscles
2.1.3.2 flat, broad tendon
2.2 External Oblique
2.2.1 takes origin from last 8 ribs
2.2.2 lower edge is the inguinal ligament
2.2.3 fibers move down and in
2.3 Internal Oblique
2.3.1 takes origin from iliac crest
2.3.2 fibers move up and in
2.4 Transversus Abdominus
2.4.1 originates at thoracolumbar fascia
2.4.2 Horizontal fibers
2.5 all supplied by intercostal nerves
2.6 Thoracolumbar fascia
2.6.1 contains psoas major, quadratus lumborum and sacrospinalis muscles
3 Inguinal canal
3.1 oblique canal through three layers of body wall
3.1.1 formed by arching fibers of muscle
3.2 males - spermatic cord
3.2.1 females - round ligament
3.3 firmly attached to scarpa's fascia
3.3.1 superficial fascia of abdominal wall
3.4 deep inguinal ring
3.4.1 above halfway point of canal
3.4.1.1 all three muscles in front of canal
3.5 superficial inguinal ring
3.5.1 above medial end of canal
3.5.2 transversus and internal oblique behind canal
3.5.3 opening in external oblique
4 Hernia
4.1 protrusion of organ through body wall
4.1.1 caused by raised intra-abdominal pressure
4.2 commonly occurs in inguinal canal, femoral canal and umbilicus