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Questions and Answers
Which artery descends along the costal margin in the abdominal wall?
Which artery descends along the costal margin in the abdominal wall?
- Superior epigastric artery
- Inferior epigastric artery
- Musculophrenic artery (correct)
- External iliac artery
Which artery runs deep to the rectus abdominis muscle?
Which artery runs deep to the rectus abdominis muscle?
- External iliac artery (correct)
- Inferior epigastric artery
- Superficial epigastric artery
- Superior epigastric artery
Which artery runs in the rectus sheath and parallel to the inguinal ligament?
Which artery runs in the rectus sheath and parallel to the inguinal ligament?
- Superior epigastric artery
- Superficial circumflex iliac artery
- Deep circumflex iliac artery
- External iliac artery (correct)
Which artery runs in the superficial fascia toward the umbilicus?
Which artery runs in the superficial fascia toward the umbilicus?
Which artery continues beyond the ribs to descend in the abdominal wall between the internal oblique and transversus abdominis muscles?
Which artery continues beyond the ribs to descend in the abdominal wall between the internal oblique and transversus abdominis muscles?
Which artery runs on the deep aspect of the anterior abdominal wall, parallel to the inguinal ligament?
Which artery runs on the deep aspect of the anterior abdominal wall, parallel to the inguinal ligament?
Which artery runs in the superficial fascia along the inguinal ligament and the adjacent anterior thigh?
Which artery runs in the superficial fascia along the inguinal ligament and the adjacent anterior thigh?
Where are the intrinsic ganglia of descending and sigmoid colon, rectum, and pelvic viscera located?
Where are the intrinsic ganglia of descending and sigmoid colon, rectum, and pelvic viscera located?
Which level does the celiac ganglia serve?
Which level does the celiac ganglia serve?
Where are the prevertebral ganglia serving viscera and suprarenal glands located?
Where are the prevertebral ganglia serving viscera and suprarenal glands located?
Which spinal nerves form the anterior rami for the pelvic (sacral) sympathetic trunk?
Which spinal nerves form the anterior rami for the pelvic (sacral) sympathetic trunk?
Where are the other abdominal prevertebral ganglia located?
Where are the other abdominal prevertebral ganglia located?
Which ganglia serve the abdominal prevertebral ganglia at T10–T11 level?
Which ganglia serve the abdominal prevertebral ganglia at T10–T11 level?
Where are the postsynaptic sympathetic fibers for the cervical and upper thoracic located?
Where are the postsynaptic sympathetic fibers for the cervical and upper thoracic located?
Which ganglia serve the abdominal prevertebral ganglia at T5–T9 level?
Which ganglia serve the abdominal prevertebral ganglia at T5–T9 level?
Where are the parasympathetic fibers for the anterior rami of S2–S4 located?
Where are the parasympathetic fibers for the anterior rami of S2–S4 located?
Which ganglia serve the abdominal prevertebral ganglia at T12 level?
Which ganglia serve the abdominal prevertebral ganglia at T12 level?
Which ganglia serve the abdominal prevertebral ganglia at T1–T4 level?
Which ganglia serve the abdominal prevertebral ganglia at T1–T4 level?
Where are the sympathetic fibers for the pelvic (sacral) sympathetic trunk located?
Where are the sympathetic fibers for the pelvic (sacral) sympathetic trunk located?
Which artery supplies the midgut-derived gastrointestinal tract?
Which artery supplies the midgut-derived gastrointestinal tract?
From which artery does the musculophrenic artery originate?
From which artery does the musculophrenic artery originate?
Which artery supplies the liver, gallbladder, stomach, pancreas, and duodenum?
Which artery supplies the liver, gallbladder, stomach, pancreas, and duodenum?
Which artery enters the rectus sheath and supplies the inferior rectus abdominis and the medial part of the anterolateral abdominal wall?
Which artery enters the rectus sheath and supplies the inferior rectus abdominis and the medial part of the anterolateral abdominal wall?
Which artery originates from the splenic artery and supplies the left portion of the greater curvature of the stomach?
Which artery originates from the splenic artery and supplies the left portion of the greater curvature of the stomach?
Which artery descends along the costal margin in the abdominal wall?
Which artery descends along the costal margin in the abdominal wall?
Which artery supplies the distal part of the large intestine, including the descending colon, sigmoid colon, and rectum?
Which artery supplies the distal part of the large intestine, including the descending colon, sigmoid colon, and rectum?
Which artery runs deep to the rectus abdominis muscle?
Which artery runs deep to the rectus abdominis muscle?
Which artery runs superiorly and enters the rectus sheath?
Which artery runs superiorly and enters the rectus sheath?
Which artery continues beyond the ribs to descend in the abdominal wall between the internal oblique and transversus abdominis muscles?
Which artery continues beyond the ribs to descend in the abdominal wall between the internal oblique and transversus abdominis muscles?
Where do the splanchnic nerves carry sympathetic and parasympathetic fibers from?
Where do the splanchnic nerves carry sympathetic and parasympathetic fibers from?
What is the role of the splanchnic nerves in the autonomic regulation of abdominal organs?
What is the role of the splanchnic nerves in the autonomic regulation of abdominal organs?
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Study Notes
Principal Arteries of Anterolateral Abdominal Wall
- Musculophrenic artery originates from the internal thoracic artery and descends along the costal margin, supplying the abdominal wall of the hypochondriac region.
- The abdominal aorta gives rise to arteries that continue beyond the ribs to descend in the abdominal wall between the internal oblique and transversus abdominis, supplying the lateral region.
- The external iliac artery runs superiorly and enters the rectus sheath, supplying the inferior rectus abdominis and the medial part of the anterolateral abdominal wall.
- The arterial supply to the esophagus, stomach, duodenum, liver, gallbladder, pancreas, and spleen includes the celiac trunk, left gastric, splenic, and common hepatic arteries.
- The left gastro-omental artery arises from the splenic artery and supplies the left portion of the greater curvature of the stomach.
- The hepatic artery, a branch of the celiac trunk, supplies the liver, gallbladder, stomach, pancreas, and duodenum.
- The superior mesenteric artery supplies the midgut-derived gastrointestinal tract, including the jejunum, ileum, transverse colon, and ascending colon.
- The inferior mesenteric artery, originating from the abdominal aorta, supplies the distal part of the large intestine, including the descending colon, sigmoid colon, and rectum.
- The autonomic innervation of the abdominal viscera involves splanchnic nerves that carry sympathetic and parasympathetic fibers from their origin to their destination.
- The splanchnic nerves are part of the autonomic nervous system and carry different fiber types, including sympathetic and parasympathetic fibers.
- These splanchnic nerves originate from specific levels of the spinal cord and have destinations in the abdominal viscera, playing a crucial role in the autonomic regulation of abdominal organs.
- Understanding the principal arteries and autonomic innervation of the anterolateral abdominal wall is vital for comprehending the vascular supply and neural regulation of the abdominal organs.
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