Bassett Collection of Stereoscopic Images of Human Anatomy
Dissection of anterior aspect of vertebral column
Sacral region.
Image #221-6
KEYWORDS: Lumbar region, Sacral region, Vertebral column.
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Dissection of anterior aspect of vertebral column
Sacral region.
lumbosacral part of vertebral canal,opened and viewed from in front
- Intervertebral disc L. III-IV (pointer on anulus fibrosus)
- Anterior longitudinal ligament
- Body of vertebra L. III (partly resected)
- Anterior internal vertebral venous plexus
- Intervertebral disc L. IV - V (pointer on nucleus pulposus)
- Dura mater
- Fibrous attachment of dura to posterior longitudinal ligament (cut off)
- Sympathetic tnmk
- Upper pointer: Sacrum (body resected) Lower pointer: Remnant of intervertebral disc S. I - II
- Iliopsoas muscle
- Lateral sacral arteries
- Femoral nerve
- Sacral plexus
- External iliac artery
- Obturator nerve
- Coccygeus muscle (posterior border of pelvic diaphragm)
- Piriform muscle
- Internal vertebral venous plexus
- Transverse process of vertebra L. IV
- Ligamentum flavum
- Pedicle (arch of vertebra) L. V (cut across)
- Upper pointer: Spinal ganglion lumbar nerve V Lower pointer: Spinal branch iliolumbar artery
- Lateral femoral cutaneus nerve
- Obturator nerve
- Femoral nerve
- Lateral part sacrum
- Lumbosacral trunk
- Sacral nerve I (in pelvic sacral foramen)
- Dural filum terminale (coccygeal nerves fused with this at lower level)
- Sacral nerve II
- Sacral canal (lined by periosteum)
- Sacral nerve III
- Sacral nerve IV
- Sacral nerve V
- Sympathetic trunk
- Coccygeal nerve
- Coccyx (covered by periosteum)