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 arise from the nerve roots of L4 through to S3 It is the longest nerve in the body, and is about 2cm thick. It is essentially a combination of two nerves the common peroneal nerve (L4-S2) and the tibial nerve (L4-S3) wrapped in a common sheath.he sciatic nerve arise from the nerve roots of L4 through to S3 It is the longest nerve in the body, and is about 2cm thick. It is essentially a combination of two nerves the common peroneal nerve (L4-S2) and the tibial nerve (L4-S3) wrapped in a common sheath.