spongy layer function

Lying beneath the palisade layer, its cells are irregular in shape and loosely packed. Cells are with large inter cellular space. In plants, it is part of the mesophyll, where it forms a layer next to the palisade cells in the leaf. On the other hand, spongy bone is softer, and forms the inner layer of bones while covering a large surface area. 2. 3. Flat bones consist of two layers of compact bone surrounding a layer of spongy bone. 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. Cells compactly arranged at right angle to the epidermis. Also Read: … Articulations are places where two bones meet. Hence, the upper mesophyll layer appears in dark green while the lower mesophyll layer appears in less green. Bone Markings The surface features of bones vary considerably, depending on the function and location in the body. Visit BYJU’S to learn more differences. The spongy layer of a leaf, which lies beneath the palisade layer, consists of cells that are irregular in shape and loosely packed. The spongy mesophyll is found towards the lower epidermis. 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. 1. Spongy tissue is a type of tissue found both in plants and animals.. 1. We can also label this on our leaf diagram. #CarryOnLearning. Within the spongy layer you can see the air pockets as well as the vascular bundle containing the xylem and phloem. 2. The spongy mesophyll's function is to allow for the interchange of gases (CO2) that are needed for photosynthesis.. Spongy Bone Definition. Spongy mesophyll. Lastly, palisade layer helps in photosynthesis, (in fact palisade cells are the site of photosynthesis) while the air pockets in the spongy layer allow exchange of gases like CO2 required for photosynthesis. Sengbusch, Peter v. In comparison to palisade parenchyma, spongy parenchyma cells have a low number of chloroplasts. Cells of the spongy mesophyll tissue are located below the palisade tissue and above the lower epidermis. The outer surface of bone, except in regions covered with articular cartilage, is covered with a fibrous membrane called the periosteum. Collectively, the area that contains the palisade and spongy layers is known as the mesophyll. 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. Bone markings depend on the function and location of bones. Thus, this summarizes the difference between palisade parenchyma and spongy parenchyma. This cross-section of a flat bone shows the spongy bone (diploë) lined on either side by a layer of compact bone. So there's a difference in function. The main difference between spongy and compact bones is their structure and function. These cells possess large concentration of chloroplast. Explanation: Hope it help. Compact bones are the present in the outer layer of long bones, while spongy bones are present in the middle of the long bones. They also aid in the exchange of gases between the leaf and the environment. Spongy bone is usually located at the ends of the long bones (the epiphyses), with the harder compact bone surrounding it. 3. Spongy bone, also known as cancellous bone or trabecular bone, is a very porous type of bone found in animals. Compact bone is hard and forms the outer layer of any bone. It is highly vascularized and contains red bone marrow. Spongy Mesophyll Cells. The palisade layer is found below the upper epidermis. 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