1. The vein at his temple throbbed angrily. 2. A blue vein throbbed in his forehead.
What does vein mean?
(Entry 1 of 2) 1 : blood vessel especially : any of the tubular branching vessels that carry blood from the capillaries toward the heart. 2a : any of the vascular bundles forming the framework of a leaf. b : any of the thickened cuticular ribs that serve to stiffen the wings of an insect.
What is an example of a vein?
The definition of a vein is a blood vessel that is part of the circulation system through which blood is carried or a streak of something. An example of a vein is what a nurse pricks with a needle when she needs to draw blood. An example of a vein is an area in the earth where gold is found.
How do you use vain in a sentence?
In-vain sentence example
- He tried in vain to stop the water flow.
- My flight was delayed an hour so my early wake up was in vain .
- I tried in vain to escape several times from prison.
- He did his best, but all was in vain .
- Giving blood is a way to make a difference that will never be in vain .
Where are veins?
Systemic veins are located throughout the body from the legs up to the neck, including the arms and trunk. They transport deoxygenated blood back to the heart.
What are the 3 major veins?
These include the great cardiac vein, the middle cardiac vein, the small cardiac vein, the smallest cardiac veins, and the anterior cardiac veins. Coronary veins carry blood with a poor level of oxygen, from the myocardium to the right atrium.
What is a sentence for vane?
Vane sentence example. A motor will be used to make a weather vane . The weather vane is a fine piece of 18th century ironwork. The barbs possess further branches called the barbules, and adjacent barbules are attached to one another by hooks which stiffen the vane .
Is it vein or vain?
Vain is an adjective that means egocentric or full of oneself. Vein is a noun that refers to a blood vessel, a mineral deposit, or a common theme.
What is veins of leaf?
The veins are the vascular tissue of the leaf and are located in the spongy layer of the mesophyll. The pattern of the veins is called venation. In angiosperms the venation is typically parallel in monocotyledons and forms an interconnecting network in broad-leaved plants.
What are veins blue?
Veins appear blue because blue light is reflected back to our eyes. Blue light does not penetrate human tissue as deeply as red light does. As a result, veins that are close to the surface of the skin will be more likely to reflect blue light back to the eye.”
Which is the largest vein?
inferior vena cava
The inferior vena cava (or caudal vena cava in some animals) travels up alongside the abdominal aorta with blood from the lower part of the body. It is the largest vein in the human body.
What is the meaning of vein in English?
English Language Learners Definition of vein. : any one of the tubes that carry blood from parts of the body back to the heart. : any one of the thin lines that can be seen on the surface of a leaf or on the wing of an insect.
What are the characteristics of veins?
Veins are thin-walled and contain valves that prevent the backflow of blood. All veins except the pulmonary vein carry blood with low levels of oxygen. A long, narrow deposit of mineral or rock that fills the void formed by a fracture or fault in another rock.
What is the meaning of the word vain?
Vain is an adjective denoting being too proud or being conceited (“he is vain about his appearance”) or being unsuccessful or useless (“a vain attempt at catching up with the bus”).
What is the best way to distinguish Vane and vain?
Rote memorization of spelling and of the particular word’s part of speech, meaning, and etymology is recommended to distinguish vane, vain, and vein in standard use (and in idiom).