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.
Agate and jasper are part of the chalcedony family, a variety of quartz. Distinctly banded specimens that differ in color and in degree of translucency are called agate; and mottled yellow, red, brown or green chalcedony is called jasper.