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The Leaf
Term | Definition |
---|---|
compound leaf | made up of smaller leaves called leaflets |
petiole | structure that attaches the leaf to the stem |
leaf-node | point where a leaf is attached to the stem |
lamina | flat part of the leaf |
photosynthesis | process by which plants make food |
palisade cells | largest cells in the leaf |
stomata | pores in the leaf |
transpiration | process by which leaves give off water to the atmosphere |
guard cells | cells at the side of the stoma that control their size |
mesophyll layer | cells between the upper and lower epidermis in a leaf |
chloroplast | leaf organelle where photosynthesis takes place |
oxygen and glucose | products of photosynthesis |
carbondioxide and water | reactants of photosynthesis |
xylem | carries water and minerals up to the leaves |
phloem | transports food in the plant |
leaflet | a small leaf that is a part of a compound leaf |
internode | the space between two consecutive nodes |
bud | structure between a leaf and the stem that grows into a branch |
margin of the leaf | the edge of the leaf |
gaseous exchange in leaves | exchanging oxygen for carbondioxide |
stoma | singular form of the word stomata |
lenticel | a pore in the stem |
cuticle | top waxy covering of the leaf |
lamina | another name for leaf-blade |
chloroplast | leaf organelle where chlorophyll is stored |
petiole | another name for leaf-stalk. |