Venous Ven"ous, a. [L. venosus, from vena a vein. See {Vein}.] 1. (Anat.) Of or pertaining to a vein or veins; as, the venous circulation of the blood. [1913 Webster]

2. Contained in the veins, or having the same qualities as if contained in the veins, that is, having a dark bluish color and containing an insufficient amount of oxygen so as no longer to be fit for oxygenating the tissues; -- said of the blood, and opposed to arterial. [1913 Webster]

3. Marked with veins; veined; as, a venous leaf. [1913 Webster]

{Venous leaf} (Bot.), a leaf having vessels branching, or variously divided, over its surface.

{Venous hum} (Med.), a humming sound, or bruit, heard during auscultation of the veins of the neck in an[ae]mia.

{Venous pulse} (Physiol.), the pulse, or rhythmic contraction, sometimes seen in a vein, as in the neck, when there is an obstruction to the passage of blood from the auricles to the ventricles, or when there is an abnormal rigidity in the walls of the greater vessels. There is normally no pulse in a vein. [1913 Webster]

The Collaborative International Dictionary of English. 2000.


Look at other dictionaries:

  • venous — [vē′nəs] adj. [L venosus] 1. Biol. a) of a vein or veins b) having veins or full of veins; veiny 2. Physiol. designating blood being carried in the veins back to the heart and lungs: venous blood has given up oxygen and taken up carbon dioxide,… …   English World dictionary

  • venous — 1620s, from L. venosus full of veins, from vena (see VEIN (Cf. vein)) …   Etymology dictionary

  • venous — ► ADJECTIVE ▪ relating to a vein or the veins …   English terms dictionary

  • venous — Relating to a vein or to the veins. SYN: phleboid (2). [L. venosus] * * * ve·nous vē nəs adj 1 a) full of or characterized by veins b) made up of or carried on by veins <the venous circulation> 2) of, relating to, or performing the… …   Medical dictionary

  • venous — adjective Etymology: Latin venosus, from vena vein Date: 1626 1. of, relating to, or full of veins < a venous thrombosis > < a venous rock > 2. of blood having passed through the capillaries and given up oxygen for the tissues and become charged… …   New Collegiate Dictionary

  • venous — adjective a) Of or pertaining to veins. Her venous circulation was poor, leading to varicose veins. b) Possessing veins. It was a sample of venous tissue. See Also: intravenous, venal …   Wiktionary

  • venous — [[t]vi͟ːnəs[/t]] ADJ: ADJ n Venous is used to describe something which is related to veins. [MEDICAL] ...venous blood …   English dictionary

  • venous — adj. Venous is used with these nouns: ↑blood …   Collocations dictionary

  • venous —    Pertaining to the veins, or more broadly to include both venous AND lymphatic circulation …   Herbal-medical glossary

  • venous — adj. [L. venosus, full of veins] Having numerous veins …   Dictionary of invertebrate zoology

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