Mammalian Spinal Cord In Cross Section
The rhythmic activities controlling locomotor movements in mammals are generated by neural circuits within the spinal cord representing so called central pattern generators cpgs.
Mammalian spinal cord in cross section. Fluorescent motoneurons in this section reinnervate a segment of peripheral nerve that directs axons through a watertight barrier to the second compartment where nerve repair is performed. The white matter is composed of nerve fibers carrying ascending and descending information and makes up the outer regions of the cord. A two compartment pdms base is topped by a collagen coated membrane that supports a spinal cord cross section above one compartment.
In the center of the cord locate a small clear space which is known as the central canal. Rossignol et al 2006 it is commonly accepted that each limb is controlled by a separate spinal cpg and that cpgs controlling fore and. Osmium tetroxide stain of long section mammalian.
On the above image find the structures labelled in bold below. As you can tell from the location of the structures. Cross section of spinal cord.
You can see the body of the vertebra vert on the right and part of the arch on the left the arch is not labeled. Long section mammalian 1 4 nerve bundle. This image shows part of a cross section of the spinal column and spinal cord sc.
Cross section mammalian 1 3 nerve bundle. Study the prepared slide of a cross section through the mammalian spinal cord in the region of a dorsal root ganglion.