Converse of object

• dilate: Other patients need laser surgery to remove dilated blood vessels.

• block: Abnormal clotting tendencies of the blood and/or blocked blood vessels.

• burst: Mr. Townend, you are bursting a blood vessel.

• cause: Cyclic GMP causes the blood vessels in the penis to widen by relaxing a thin layer of muscle found in the blood vessel walls.

Converse of subject

• cause: The condition is caused by blood vessels growing into the vitreous, which is followed later by fibrosis.

Adjective modifier

• ruptured: Ultrasound can seal ruptured blood vessels deep within the body without the need for risky surgery.

• abnormal: This involves removing part of the brain in more severe cases in the region of the abnormal blood vessels.

• tiny: Prolonged applications of cold water contract the tiny blood vessels and thus the amount of blood in the part is lessened.

• leaky: The leaky blood vessels pour out protein rich exudate which causes swelling.

• diseased: In some people with badly diseased blood vessels, or some other diseases, the risk of complications is greater.

• small: The skin contains a network of small blood vessels with tiny muscles in their walls.

Modifies a noun

• wall: Cyclic GMP causes the blood vessels in the penis to widen by relaxing a thin layer of muscle found in the blood vessel walls.

• formation: The resulting mice showed an increased number of blood vessels in the skin, suggesting that AGF does indeed promote blood vessel formation.

• lining: Exposing rats to this substance, called E-selectin, programs blood cells called lymphocytes to monitor the blood vessel lining for the inflammatory protein.

Noun used with modifier

• burst: Brett Brett needed emergency surgery after suffering a burst blood vessel in his throat.

Preposition: in

• retina: Both conditions are caused by damage to blood vessels in the retina.

• brain: Dr. Horsford said he had a rupture of a blood vessel in the brain.

• penis: Cyclic GMP causes the blood vessels in the penis to widen by relaxing a thin layer of muscle found in the blood vessel walls.

• skin: It is due to abnormalities of the very small blood vessels in the skin.

• tissue: When the heart contracts, it works against the resistance to blood flow created by the peripheral blood vessels in the body tissues.