CT abdomen and pelvis

Terms listed:
Image A, superior to Image D, inferior.

Image A: left lobe of liver, inferior vena cava, stomach, aorta, right lobe of liver, rib, body of vertebra, spleen

Image B: stomach, inferior vena cava, aorta, right lobe of liver, right kidney, body of vertebra, left kidney, spleen

Image C: rectus abdominis muscle, transverse colon, ascending colon, inferior vena cava, aorta, descending colon, right lobe of liver, right kidney, body of vertebra, deep back muscles

Image D: Linea alba, ileum, ascending colon, right common iliac artery, left common iliac artery, descending colon, psoas muscle, body of vertebra, deep back muscles

Source
Netter Anatomy

L4 abdominal cross section anatomy

Terms:
Left side:
Round ligament (ligamentum teres) of liver, transverse colon, branches of inferior epigastric vesselss, rectus sheath, transversus abdomini aponeurosis, external oblique aponeurosis, mesentery of small intestine, superior mesenteric vessels, small intestine (ileum), lymph node, ascending colon, right paracolic gutter, tendon of origin of transversus abdomini muscle, iliohypogastric nerve, ilioinguinal nerve, layers of thoracolumbar fascia (combined, middle, posterior), right colic vessels and branches, right genitofemoral nerve, transverse process of L4 vertebra, inferior vena cava, anterior longitudinal ligament, ligamentum flavum, abdominal aorta, spinous process of L3 vertebra, supraspinous ligament

Right side:
Linea alba, rectus abdominis muscle, omental appendices, greater omentum, parietal peritoneum, transversalis fascia, transversus abdominis muscle, internal oblique muscle, external oblique muscle, small intestine (jejunum), descending colon, left paracolic gutter, left ureter, quadratus lumborum muscle, latissimus dorsi muscle, testicular (ovarian) vessels, psoas minor muscle, parietal peritoneum, psoas major muscle, inferior mesenteric and 1st sigmoid vessels, left sympathetic trunk, left lumbar plexus ventral rami of L2,L3 spinal nerves, erector spinae muscle, superior articular process of L4 vertebra, Intercostal disc between L3 and L4 vertebrae, intermesenteric (aortic) plexus

Source:
Netter Anatomy

T12 Abdominal cross section anatomy - click on the links below to view the image

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Anatomical terms:
Right side:
Liver, falciform ligament, superior epigastric vessels, hepatic nerve plexuses, transversalis fascia, parietal peritoneum, visceral peritoneum of liver, diaphragm, inferior diaphragmatic fascia, hepatic artery proper (bifurcation), common hepatic duct, gallbladder, cystic duct, hepatic portal vein, costodiaphragmatic recess of pleural cavity, pleura, intercostal vessels and nerve, omental foramen (epiploic foramen of Winslow), common hepatic artery (retroperitoneal), inferior vena cava, omental bursa (lesser sac), right lesser and least splanchnic nerves, right sympathetic trunk, right crus of diaphragm, azygos vein, thoracic duct, anterior longitudinal ligament, celiac ganglia, abdominal aorta, body of T12 vertebra

Left side:
Linea alba, rectus sheath, rectus abdominis muscle, lesser omentum, left gastric artery and vein, external oblique aponeurosis, transversus abdominis muscle, 8th costal cartilage, diaphragmatic slip of origin, 7th costal cartilage, external oblique muscle, diaphragm, stomach, gastrosplenic ligament and short gastric vessels, 8th rib, spleen, serratus anterior muscle, intercostal muscles, splenorenal ligament with splenic vessels, parietal peritoneum on posterior wall of omental bursa, left gastric artery, left kidney, left suprarenal gland, 12th rib, latissimus dorsi muscle, erector spinae muscle (iliocostalis, longisimus, spinalis);

Source
Netter Anatomy