Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities. This chemical energy is stored in carbohydrate molecules, such as sugars, which are synthesized from carbon dioxide and water â hence the name photosynthesis, from the Greek Ïá¿¶Ï, phÅs, light, and ÏÏÎ½Î¸ÎµÏÎ¹Ï, synthesis, putting together. In most cases, oxygen is also released as a waste product. Most plants ...
Chief cells of the stomach secrete the digestive enzymes (pepsins) of the stomach and have the typical appearance of serous-secretory epithelial cells. Secretory vesicles (containing pepsinogen) are clearly visible in the apical cytoplasm of chief cells.
Epithelial Tissue & functions, types of epithelia in digestive tract Epithelial Tissue Epithelium is an animal tissue and is one of the four basic types of tissues in animal. These tissues cover the structures in the whole body and line cavities. They also form different types of glands. Selective absorption, secretion , transport across cells, protection and detecting sensation are its functions. A special category of this epithelial tissue is epidermis. The epithelial tissue is located above the connective tissue.