Muscular arteries are arteries with smaller lumen containing more smooth muscle and are capable of vasoconstriction and vasodilation. They branch from the elastic arteries and distribute blood to the various regions of the body.
â¢ JASPER (noun). The noun JASPER has 1 sense: 1. an opaque form of quartz; red or yellow or brown or dark green in color; used for ornamentation or as a gemstone. Familiarity information: JASPER used as a noun is very rare. JASPER (noun). The noun JASPER has 1 sense: 1. an opaque form of quartz; red or yellow or brown or dark green in color; used for ornamentation or as a gemstone. Familiarity information: JASPER used as a noun is very rare.
Red Jasper. Jasper's name means speckled or spotted stone and the word jasper has roots in many similar words in old languages-for example the Akkadian yashupu. However, it comes not only speckled-it can also exhibit bright bands or other patterns in a wide variety of colors.asper. Jasper is a type of chalcedony. It can occur in many different colors such as red, green, yellow or rarely, blue. It has been prized since ancient times. Chalcedony is a form of quartz-so jasper is mainly quartz, with mineral impurities dictating the colors of the stone.