What is the main difference between a vein and venule?
The key difference between Vein and Venule is, the vein is a larger blood vessel that carries blood towards the heart while, the venule is a smaller minute blood vessel that drains blood from capillaries to the veins.
What is veinlets in leaf?
Veinlets are the small secondary veins that branch out from the midrib.
What is function of veins and veinlets in lamina of leaf?
the leaf blade is supported by the veins and veinlets . the veins provide rigidity and strength to the leaf blade and also at as a channel for transportation of water , minerals, and food materials. and arrangement of these in leaf is known as venation.
What is the network of veins and veinlets in the leaf called?
The arrangement of veins and veinlets on the lamina of a leaf is called venation. There are two types of venation, reticulate and parallel venation.
What is the difference between veins and arteries?
Arteries carry blood away from the heart, and veins carry blood towards the heart. With the exception of pulmonary blood vessels, arteries carry oxygenated blood and veins carry deoxygenated blood. Arteries have thick walls with muscle tissue. Veins have thinner walls and use valves to keep your blood flowing.
What is the difference between Arteriole and venule?
The smallest or final branch of an artery is called an arteriole. The smallest united branch of capillaries is called a venule. They are highly muscular. They are less muscular.
What is the function of veinlets?
These veins and veinlets give rigidity to the leaf blade and help in the transportation of water and other substances.
Which part of the leaf is attached to the stem?
The petiole is a stalk that attaches a leaf to the plant stem.
What is the function of the veins and veinlets?
Important functions of veins are : (i) Conduction of water through xylem; (ii) Providing channels for translocation of organic nutrients; (iii) Conduction of minerals; (iv) By their large number, the veins and veinlets provide skeletal support to the lamina so that it can remain stretched for its optimum functioning; ( …
What are veinlets?
veinlet. / (ˈveɪnlɪt) / noun. any small vein or venule.
When the veinlets form a network the venation is termed as?
Assertion : When the veins run parallel to each other within a lamina, the venation is termed as parallel which is the characteristic of most monocotyledons Reason : When the veinlets form a network, the venation is termed as reticulate which is generally found in dicotyledons.
What are 4 differences between veins and arteries?
Vein vs Artery. Veins are closer to the surface of your body, and arteries are deep inside your muscles. The walls of a vein are thinner than an artery. Veins carry blood from your organs and towards your heart. Arteries carry blood away from your heart.