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.
1 All neurons forming this system originate from brain (Ill, VII, IX, X cranial nerves) and S2âS4 segment of spinal cord. 2  So it is called craniosacral outflow. 3  Pre-ganglionic fibers are very long reaching up to terminal ganglia mostly on viscera.