What is role strain in sociology? A: Role strain in sociology is when a particular role a person needs to fulfill is strained due to excessive obligations or multiple demands on time, energy or available resources.
Short posterior ciliary arteries: Branch from the ophthalmic artery and pierce the sclera at the edge of the optic nerve; they supply the choroid and the rods and cones of the retina. Long posterior ciliary arteries: Branch from the ophthalmic artery and pierce the sclera to supply the ciliary body and iris.
The Sciatic Nerve. The sciatic nerve actually originates from several nerve ârootsâ along the spine collectively known as the lumbosacral plexus. This means it is made up of several spinal nerves whose roots come out from the spine from L4 through S3.These spinal nerves come together to form the sciatic nerve, which is the largest nerve in the body. From the lower back, the sciatic nerve follows the back of each thigh down to each foot.It connects the spine directly to the muscles in the feet and legs.This one very important nerve is responsible for delivering nerve signals to most of the lower half of the body.he Sciatic Nerve. The sciatic nerve actually originates from several nerve ârootsâ along the spine collectively known as the lumbosacral plexus. This means it is made up of several spinal nerves whose roots come out from the spine from L4 through S3.