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 is a large nerve that originates from the distal spinal cord and extends along nearly the entire length of the hind limb.In most vertebrates, it's the major branch of the sacral plexus, a complex mass comprised of neurons that exit the spinal column via spinal nerves L4 through S4.he sciatic nerve is a large nerve that originates from the distal spinal cord and extends along nearly the entire length of the hind limb.