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Whale skulls have small eye orbits, long snouts (with the exception of monodontids and ziphiids) and eyes placed on the sides of its head. Whales range in size from the 2.6-metre (8.5 ft) and 135-kilogram (298 lb) dwarf sperm whale to the 34-metre (112 ft) and 190-metric-ton (210-short-ton) blue whale.
The human eye is a sensory organ in the visual system that reacts to visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and keeping balance . Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device. It is approximately spherical in shape, with its outer ...
Uvea with 14. Iris, 15. Ciliary body. The anterior segment or anterior cavity[ 1] is the front third of the eye that includes the structures in front of the vitreous humour: the cornea, iris, ciliary body, and lens. [ 2][ 3] Within the anterior segment are two fluid-filled spaces: the anterior chamber between the posterior surface of the cornea ...
The most dominant shot putter in history eyes a third straight gold – if his body holds up. Andrew Greif. ... 5 1/2 inches (23 meters) — and Crouser has done it nine times. The three others ...
Corneal epithelium. Vertical section of human cornea from near the margin. (Waldeyer.) Magnified. The corneal epithelium ( epithelium corneae anterior layer) is made up of epithelial tissue and covers the front of the cornea. It acts as a barrier to protect the cornea, resisting the free flow of fluids from the tears, and prevents bacteria from ...
Serum ( / ˈsɪərəm /) is the fluid and solvent component of blood which does not play a role in clotting. [1] It may be defined as blood plasma without the clotting factors, or as blood with all cells and clotting factors removed. Serum contains all proteins except clotting factors (involved in blood clotting ), including all electrolytes ...
Synovial fluid, also called synovia, [help 1] is a viscous, non-Newtonian fluid found in the cavities of synovial joints. With its egg white –like consistency, [ 1] the principal role of synovial fluid is to reduce friction between the articular cartilage of synovial joints during movement. [ 2] Synovial fluid is a small component of the ...
The posterior chamber consists of small space directly posterior to the iris but anterior to the lens. The posterior chamber is part of the anterior segment[1]and should not be confused with the vitreous chamber(in the posterior segment). Posterior chamber is an important structure involved in production and circulation of aqueous humor.