Definition of "venous" []

• Of, relating to, or contained in the veins: venous circulation. (adjective)
• Of, relating to, or being the blood in the veins or pulmonary arteries that is usually dark red as a result of low oxygen content. (adjective)
• Having numerous veins, as a leaf or the wings of an insect. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "When the muscles of the calves and thighs are in contraction, blood low in oxygen, what we call venous blood, is pumped through the leg muscle pump from the legs to the heart."
• "Dr. Saltzman also reports 100% success with keeping pediatric patients out of the operating room to obtain venous access."
• "The lymphatic vessels pump up this fluid from every part of the system, and convey it into the veins to be mixed with the blood which runs through them, and which is commonly called venous blood."