Vein vs. Venule

Veinnoun

(anatomy) A blood vessel that transports blood from the capillaries back to the heart

Veinnoun

(used in plural veins) The entrails of a shrimp

Veinnoun

(botany) In leaves, a thickened portion of the leaf containing the vascular bundle

Veinnoun

(zoology) The nervure of an insect’s wing

Veinnoun

A stripe or streak of a different colour or composition in materials such as wood, cheese, marble or other rocks

Veinnoun

A topic of discussion; a train of association, thoughts, emotions, etc.

Veinnoun

A style, tendency, or quality.

Veinnoun

A fissure, cleft, or cavity, as in the earth or other substance.

Veinverb

To mark with veins or a vein-like pattern.

Veinnoun

One of the vessels which carry blood, either venous or arterial, to the heart. See Artery, 2.

Veinnoun

One of the similar branches of the framework of a leaf.

Veinnoun

One of the ribs or nervures of the wings of insects. See Venation.

Veinnoun

A narrow mass of rock intersecting other rocks, and filling inclined or vertical fissures not corresponding with the stratification; a lode; a dike; - often limited, in the language of miners, to a mineral vein or lode, that is, to a vein which contains useful minerals or ores.

Veinnoun

A fissure, cleft, or cavity, as in the earth or other substance.

Veinnoun

A streak or wave of different color, appearing in wood, and in marble and other stones; variegation.

Veinnoun

A train of associations, thoughts, emotions, or the like; a current; a course; as, reasoning in the same vein.

Veinnoun

Peculiar temper or temperament; tendency or turn of mind; a particular disposition or cast of genius; humor; strain; quality; also, manner of speech or action; as, a rich vein of humor; a satirical vein.

Veinverb

To form or mark with veins; to fill or cover with veins.

Veinnoun

a blood vessel that carries blood from the capillaries toward the heart; all veins except the pulmonary carry unaerated blood

Veinnoun

a distinctive style or manner;

Veinnoun

any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ

Veinnoun

a layer of ore between layers of rock

Veinnoun

one of the horny ribs that stiffen and support the wing of an insect

Veinverb

make a veinlike pattern

Veinnoun

any of the tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood towards the heart.

Veinnoun

(in general use) a blood vessel

Veinnoun

(in plants) a slender rib running through a leaf or bract, typically dividing or branching, and containing a vascular bundle.

Veinnoun

(in insects) a hardened branching rib that forms part of the supporting framework of a wing, consisting of an extension of the tracheal system; a nervure.

Veinnoun

a fracture in rock containing a deposit of minerals or ore and typically having an extensive course underground

Veinnoun

a streak or stripe of a different colour in wood, marble, cheese, etc.

Veinnoun

a source of a specified quality

Veinnoun

a distinctive quality, style, or tendency

Vein

Veins are blood vessels that carry blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart.

Venulenoun

(anatomy) A small vein, especially one that connects capillaries to a larger vein.

Venulenoun

A small vein; a veinlet; specifically (Zool.), one of the small branches of the veins of the wings in insects.

Venulenoun

a minute vein continuous with a capillary

Venulenoun

a very small vein, especially one collecting blood from the capillaries.

Venule

A venule is a very small blood vessel in the microcirculation that allows blood to return from the capillary beds to drain into the larger blood vessels, the veins. Venules range from 7μm to 1mm in diameter.