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.
Meet your sciatic nerve. The sciatic nerve, also called ischiadic nerve (Nervus ischiadicus in medical language) is one of the largest nerves in humans and animals. It begins in the lower back region (L3 to S3) â the part where most disc herniations occur â and runs down along your legs, all the way down to your limbs.