nerve tissue (nervous tissue) the specialized tissue forming the elements of the nervous system. osseous tissue the specialized tissue forming the bones. reticular tissue (reticulated tissue) connective tissue composed predominantly of reticulum cells and reticular fibers.scar tissue cicatricial tissue.erve tissue (nervous tissue) the specialized tissue forming the elements of the nervous system. osseous tissue the specialized tissue forming the bones. reticular tissue (reticulated tissue) connective tissue composed predominantly of reticulum cells and reticular fibers.
Dark yellow urine is a sign of dehydration. Your urine is dark because your kidneys are doing what they are supposed to do when you are dehydrated: conserving water by making less urine. If this is the case, drink more water â eight 8-ounce glasses each day.
Also known as urochrome, urobilins are the pigment that gives urine its yellow color. Urine is usually pale yellow, but it can range from clear to a deep amber color in a healthy person. The level of yellow is determined by how hydrated a person is. A person who is very hydrated has more water to release through urinating, and thus has a lesser concentration of urobilin in their urine.