Lumbar Sacral Coccygeal (bottom) Picture of the Spinal Column Ask a Doctor Online Now! The orientation of these bones is maintained by muscles and ligaments to give the normal vertebral column a typical S-shape. This shape is maintained by four main curvatures of the spine, known aslordosis(c...
If agenesis of the lumbar spine is also present, there may be a marked disproportion between the transverse diameter of the thorax and pelvis. Incontinence of urine and feces and atrophy and diminished muscle power of the lower extremities are usually present.In the more severe cases there may...
Armadillo lumbar vertebrae in posterior, anterior and right lateral views. So what are these processes? It’s hard to say for sure without having seen the fossils, or at least some better multi-view photos, but the obvious guess is that they are our old friends epipophyses, in extreme fo...
D10 and sacrum ofDiplodocusAMNH 516 in left lateral and ventral views (Osborn 1904: figure 3). Even 120 years later, there’s a lot going on here that we don’t fully understand. If you need something more respectable than “Whoa, dude!” to put on a thesis proposal or a grant appl...
The surgical treatment, indicated in 10–20% of cases, consists in the release of the spinal cord that is tethered by the myelo-meningo-vertebral malformation, via a lumbar laminectomy. On the other hand, in a quite distinct direction of research, many authors observed an association amongst...
The sacrum and fused ilia having been mounted on the main support to begin the process, the hind limbs, last four dorsal vertebrae and first caudal vertebra have now been added. (B) In left anterodorsolateral view, probably taken from the roof of the museum. The mount is almost complete,...
where it can soak down through the meninges and bathe the dorsal root ganglia and the dorsal half of the spinal cord, where the sensory neurons (including those that relay pain) are located. In a lumbar puncture, a needle is driven through the dura and the continuous layer of the arachnoid...
But that doesn’t mean much–you have neural canals to the bottom half of your sacrum, but your spinal cord stops around your first or second lumbar vertebra. From there on down, you just have nerve roots. So the shortest reflex arc from your big toe has to go up to your lower back...
2019. Discovery of a new ligament of the lumbar spine: the midline interlaminar ligament. The Spine Journal 20(7): 1134-1137. Standring, S. (editor). 2008. Gray’s Anatomy, 40th edition. 2008. Churchill Livingstone Elsevier, London. Staples, B., Ennedy, E., Kim, T., Nguyen, S.,...
iliolumbar A—may arise from external or common iliac AA; sometimes double lateral sacral A—note branches to anterior sacral foramina and anastomoses with median sacral A FOUR leaving the pelvis entirely: obturator A—often arises from the external iliac A instead, exits pelvis through obturator ...