The Anthromica Library
The human body one structure at a time. Every page has a 3D model you can turn, with its parts numbered on it, where it sits, what it does and what supplies it.
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- Innermost intercostal musclesMusculi intercostales intimiThe innermost intercostals are the deepest and thinnest layer of muscle between the ribs, found in the side parts of each space.
- Intermediate common iliac nodesNodi iliaci communes intermediiThe common iliac lymph nodes tucked behind the common iliac artery and vein, at the brim of the pelvis.
- Intermediate external iliac nodesNodi iliaci externi intermediiExternal iliac lymph nodes set behind and between the external iliac artery and vein on the side wall of the pelvis.
- Intermediate lumbar nodesNodi lumbales intermediiLumbar lymph nodes packed into the narrow space between the abdominal aorta and the vena cava, in front of the lumbar spine.
- Internal abdominal oblique muscleMusculus obliquus internus abdominisThe internal oblique is the middle of the three flat muscles of the side abdominal wall, lying beneath the external oblique.
- Internal iliac arteryArteria iliaca internaThe chief pelvic artery, a short paired trunk that branches off the common iliac artery at the pelvic brim.
- Internal iliac veinVena iliaca internaA short, wide paired pelvic vein that gathers blood from the pelvis and buttock and joins the external iliac vein at the pelvic brim.
- Internal intercostal musclesMusculi intercostales interniThe internal intercostals form the middle layer of muscle between the ribs, used mainly in forced breathing out.
- Internal thoracic arteryArteria thoracica internaA paired branch of the subclavian artery that descends just inside the front chest wall beside the sternum.
- Internal thoracic veinsVenae thoracicae internaePaired veins behind the costal cartilages, beside the sternum, that drain the anterior chest wall into the brachiocephalic veins.
- Interpectoral nodesNodi interpectoralesA few small lymph nodes lying in the fatty plane between pectoralis major and pectoralis minor on the front of the chest.
- Intrarenal arteries of left kidneyArteriae intrarenales renis sinistriThe branching tree of arteries inside the left kidney, from the segmental arteries at the hilum to the vessels feeding each glomerulus.
- Intrarenal arteries of right kidneyArteriae intrarenales renis dextriThe arteries within the right kidney, dividing in steps from the renal hilum down to the arterioles of each glomerulus.
- Intrarenal veins of left kidneyVenae intrarenales renis sinistriThe network of veins inside the left kidney that gathers blood from cortex and medulla and leads it to the left renal vein.
- Intrarenal veins of right kidneyVenae intrarenales renis dextriThe veins within the right kidney, running from the cortex and medulla towards the hilum, where they form the short right renal vein.
- Juxta-intestinal mesenteric nodesNodi juxtaintestinalesThe outermost superior mesenteric lymph nodes, lying in the mesentery right next to the wall of the jejunum and ileum.
- Lateral aortic nodesNodi aortici latéralesLymph nodes along the left flank of the abdominal aorta, forming the left lumbar chain on the posterior abdominal wall.
- Lateral caval nodesNodi cavales latéralesLumbar lymph nodes running along the right border of the inferior vena cava on the posterior abdominal wall.
- Lateral common iliac nodesNodi iliaci communes latéralesThe chain of common iliac lymph nodes running along the outer side of the common iliac artery, from the aortic bifurcation to the pelvic brim.
- Lateral sacral nodesNodi sacrales latéralesSmall lymph nodes on the front of the sacrum beside the anterior sacral foramina, along the lateral sacral arteries.
- Lateral sacral veinsVenae sacrales latéralesPaired veins on the front of the sacrum that travel with the lateral sacral arteries and drain into the internal iliac vein.
- Lateral thoracic arteryArteria thoracica lateralisA paired branch of the axillary artery that runs down the side of the chest along the lower edge of pectoralis minor.
- Lateral vesical nodesNodi vesicales lateralesSmall lymph nodes beside the urinary bladder, lying along the cord of the obliterated umbilical artery on each side of the pelvis.
- Left ascending lumbar veinVena lumbalis ascendens sinistraA vertical vein on the left of the lumbar spine, linking the common iliac and lumbar veins below with the hemiazygos vein above.