Show pageOld revisionsBacklinksBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== ABDOMINAL WALL ====== * Abdominal wall * Anterior Abdominal wall * Skin * linea albicans * umbilicus * watershed * lymphatic and venous drainage * portocaval anastomosis * caput medusa * Superficial Fascia * below umbilicus * superficial fatty layer ( fascia of camper ) * in penis it is devoid of fat * in scrotum replaced by dartos muscle * deep membranous layer ( fascia of scarpa ) * continuous with superficial fascia of perineum * colle's fascia * prevents urine from ruptured urethra * attached to * holdens line * pubic tubercle * body of pubis * median plane it is thickened to * suspensory and fundiform ligament of penis and clitoris * contains * cutaneous nerve * lower 5 intercostal nerves * lower six thoracic nerves * first lumbar nerve * anterior cutaneous nerves * subcostal nerve * iliohypogastric nerve * t7-t12 * cutaneous vessels * anterior cutaneous artery * superficial inguinal vein drains in to * great saphenous vein * deep vessels * superior epigastric and musculophrenic * inferior epigastric * cremasteric branch to spermatic cord * pubic branch * deep circumflex iliac * fascia transversalis * anteriorly - * posteriorly - * superiorly * inferiorly * muscles * external oblique * internal oblique * transversus abdominis * rectus abdominis * Actions * support for abdominal viscera * against gravity * expulsive acts * micturition , defecation , parturition , vomiting * forceful expiratory acts * coughing , sneezing , blowing , shouting * movements of trunk * flexion * lateral flexion * rotation * ligaments * inguinal ligament or poupart's ligament * cremaster muscle and conjoint tendon * conjoint tendon or falx inguinalis * formed by fusion of aponeurotic fibres of * internal oblique and transversus muscles * cremaster muscle * action * to suspend testis and elevate it * cremasteric reflex * reflex contraction upon stroking * supplied by genital branch of genitofemoral nerve * pyramidalis muscle * RECTUS SHEATH * anterior wall * complete * posterior wall * incomplete * laterally anterior and posterior wall extend * linea semilunaris * fusion in midline * linea alba * THREE DIFFERENCES * above costal margin * anterior wall - external oblique aponeurosis * posterior wall - * deficient - directly on 5th , 6th and 7th costal cartilage * between costal margin and arcuate line * anterior wall * posterior wall * below arcuate line * anterior wall * aponeurosis of all 3 muscles * posterior wall - on fascia transversalis * CONTENT * rectus abdominis muscle * pyramidalis * vessels * superior and inferior epigastric artery and vein * [[:en:inguinal-region|INGUINAL REGION (LATERAL ILIAC REGIONS)]] * Posterior Abdominal wall ===== ANTERIOR ABDOMINAL WALL ===== {{:anatomy:rectus_sheath-post.png}} {{::anatomy:rectus_sheath.png}} ==== DISSECTION TUTORIALS ==== {{:dissection:ant-abd-wall-3.jpg?450px}} {{:dissection:anterior-abd-wall-2.jpg?450px}} {{:dissection:anterior-abdominal-wall.jpg?450px}} ===== POSTERIOR ABDOMINAL WALL ===== {{:dissection:posterior-abdominal-wall-nerves.jpg?450px}} ====== ANTERIOR ABDOMINAL WALL ====== {{:mnemonic:abdominal_wall_analogy.jpg?400|}} en/abdominal-wall.txt Last modified: 2024/07/05 15:35by 127.0.0.1