structure and anatomy of leaf

large structure is called…

blade

leaf begins at the stock formally called ___ which attaches the leaf to the stem of the plant

petiole

inside the petiole which serves as tubes (similar to human blood vessels) carry water, nutrients, and food to every cell in the leaf

vascular tissue

main vein that branches off to the side veins and each vein gets smaller feeding into each and every cell of the leaf

midrib and veins

top and bottom side of the leaf which secrete a waxy substance called cuticle keeping the leaf from drying out

epidermis

bottom layer of the leaf specialized cells at the opening which allows air to exit and enter the leaf

stoma

control the opening and closing of the stoma so air can get in and out. important during times of extreme heat ___ close the pore so the cel doesn’t lose excess water

guard cells

spongy layer?

top of vascular bundle which carries water from the roots to the leaves

xylem

below of vascular bundles which carry sugar made by cells (photosynthesis) to an area of storage in the plant

phloem

long balloons hanging with green dots ?

palisade cells