The dominant type of fiber in dense connective tissue is collagen, as explained by McGraw-Hill Higher Education. Dense connective tissues may also contain elastic protein fibers or reticular fibers, according to the University of Western Australia.
The University of Western Australia also explains that the collagen fibers are composed of smaller units. Tropocollagen is formed by three collagen molecules in the form of a triple helix. Tropocollagen subunits form collagen microfibrils, which then form thin collagen fibrils. Collagen fibrils, in turn, compose collagen fibers.
According to Yale University, dense connective tissue can be found in walls of arteries, bone, tendon and the dermal layer of the skin.Learn More
Fingernails appear to turn gray or blue after a person dies because the blood, full of oxygenated red blood cells, no longer flows underneath the nail bed. The natural color of the nail then shows. The nails do not actually change color, because like hair, the nails are not living tissue. During life, only the nail root contains living cells.Full Answer >
HowStuffWorks explains that people cannot tickle themselves because the brain is aware that the sensation of touch is impending, and it loses the effect of surprise that usually accompanies the sensation of being tickled. The brain's cerebellum is responsible for deciphering whether a touch is familiar or unexpected.Full Answer >
Common types of physical traits include characteristics related to height, weight, skin, build, complexion, hair and eye. For example, the physical traits of eyes can be divided up by eyebrow size, eyebrow shape, eye shape, eye color and eyelash length.Full Answer >
The function of the fimbriae is to produce a peritoneal fluid, which moves the egg to the uterus. The fimbriae come into use during ovulation.Full Answer >