What are the spongy mesophyll?

What are the spongy mesophyll?

spongy mesophyll In a leaf, mesophyll tissue comprising cells of irregular shape, some of them lobed, separated by large spaces in which the atmosphere is humid. Spongy mesophyll is the site of gaseous exchange for photosynthesis and respiration.

What is the function of palisade and spongy mesophyll?

Palisade mesophyllSpongy mesophyll4. Mainly meant for photosynthesis and as a result food is produced.4. The main function is buoyancy and exchange of water vapour.5. Possess irregular or isodiametrical cells.5. Possess elongated columnar cells.4 more rows

What is the function of the spongy layer in a leaf?

Spongy layer Although they contain a few chloroplasts, their main function seems to be the temporary storage of sugars and amino acids synthesized in the palisade layer. They also aid in the exchange of gases between the leaf and the environment.

Where is the spongy mesophyll?

Spongy Mesophyll Cells Cells of the spongy mesophyll tissue are located below the palisade tissue and above the lower epidermis. Compared to the cells of the palisade layer, those of the spongy layer are spherical in shape or may be irregularly shaped (isodiametric) in some plants.

What cells are in the spongy mesophyll?

The mesophyll generally is differentiated into columnar palisade parenchyma cells and irregularly shaped spongy parenchyma cells (Fig. 2.5).

What is spongy mesophyll made of?

The spongy mesophyll contains calcium oxalate, mainly in the form of single and twin prisms, but clusters and microsphenoidal crystals are also present (Fig.

What is the structure of spongy mesophyll?

The spongy mesophyll contains irregularly shaped cells with wide gaps between them in order to facilitate carbon dioxide diffusion and gas exchange via the stomata. Spongy mesophyll also contains chloroplasts responsible for photosynthesis.

What are the functions of palisade mesophyll and spongy mesophyll?

Spongy mesophyll and palisade mesophyll are types of cells involved in the the processes leading up to photosynthesis as well as photosynthesis itself and are located in the leaves of vascular plants.

What is the main function of the palisade mesophyll?

The palisade mesophyll layer is where most of the photosynthesis occurs in the leaf. The palisade cells contain a lot of chloroplasts to help them perform this photosynthesis. The palisade cells are closely packed together to maximize light absorption.

What are the function of spongy mesophyll?

Spongy tissue is a type of tissue found both in plants and animals. In plants, it is part of the mesophyll, where it forms a layer next to the palisade cells in the leaf. The spongy mesophyll’s function is to allow for the interchange of gases (CO2) that are needed for photosynthesis

How does the palisade and spongy mesophyll function in photosynthesis?

Spongy mesophyll cells are not packed so tightly together, which allows carbon dioxide and oxygen to reach the palisade cells where they are needed in photosynthesis. Spongy mesophyll cells and guard cells (see below) also get some photosynthetic action.

What does the spongy layer of a leaf do?

Spongy layer Although they contain a few chloroplasts, their main function seems to be the temporary storage of sugars and amino acids synthesized in the palisade layer. They also aid in the exchange of gases between the leaf and the environment.

What is the spongy layer of a leaf called?

Spongy mesophyll layer

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