Steam corn tortillas in the microwave so they stay pliable and donât split under the weight of taco fillings.
The sclera (from the Greek skleros, meaning hard), also known as the white of the eye, is the opaque, fibrous, protective, outer layer of the eye containing collagen and elastic fiber.n the development of the embryo, the sclera is derived from the neural crest. In children, it is thinner and shows some of the underlying pigment, appearing slightly blue.
The sclera is the outer covering of the eyeball. It is the part  that is visible as the white of the eye.. The sclera is white  because it is made of collagen, which is a w â¦ hite protein that  comprises most of the body's connective tissues.he conjunctiva is a thin, clear, mucous membrane that covers the sclera, or white part of the eyeball, and lines the inside of the eyelids.