In a capillary bed, the bands of smooth muscle at the entrance to each capillary is called a(n) . In a capillary bed, the bands of smooth muscle at the entrance to each capillary is called a(n) . precapillary sphincter ateriovenous anastomosis collaterals thoroughfare channel

In a capillary bed, the bands of smooth muscle at the entrance to each capillary is called a(n) precapillary sphincter.

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.