It is called a vein.
Leaf Apex- The outer end of the leaf Vein- Supports the leaf and transports both food and water Midrib- The central rib of the leaf Axil- Angle between the upper side of a stem and a leaf or petiole Petiole- Attaches the leaf to the plant Lamina- The blade of the leaf Stipule- Paired appendages that are found at the base of the petiole Stem- The main support of the leaf
Mid-rib
Main vein, Central vein, Mid vein are all correct to a point. "Rachis" seems to be the scientifically preferred term, though. "Midrib" also sees some usage in a few types of leaf.
Leaf Apex- The outer end of the leaf Vein- Supports the leaf and transports both food and water Midrib- The central rib of the leaf Axil- Angle between the upper side of a stem and a leaf or petiole Petiole- Attaches the leaf to the plant Lamina- The blade of the leaf Stipule- Paired appendages that are found at the base of the petiole Stem- The main support of the leaf
A typical dorsiventral leaf has a petiole, leaf blade, mid rib and large number of veins. The leaf blade can be differentiated into palisade and spongy parenchyma. Both these tissues are surrounded by an epidermis which is interspersed by stomatal pores. The mid rib and its associated veins are provided with vascular bundles.
The sternum.
Xylem and phloem are located in the vascular bundles in midrib and mesophyll of the leaf.
It is a rib or a riblike part, such as the midrib of a leaf or a thickened anterior vein or margin of an insect's wing.
No
in monticelo i cant spell i just got up it is 9 oh clock
The central vein can be called a midrib or mid-vein