The tissue (a group of cells with particular function) composed of single type of cells. Three types of simple tissue system in plants, namely (1). Parenchyma, (2). Collenchyma and (3). Sclerenchyma. The present article discusses the Structure and Types of Parenchyma Cells in Plants. Characteristics of Parenchyma (Parenchymatous Cells) Ø Parenchyma […]
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Phloem Protein: Structure, Classifications and Functions
P Proteins (Phloem Proteins) are a category of proteins found in the sap of the sieve tubes of the phloem of Angiospermic plants. P-proteins were also as called ‘slime bodies’ of ‘slime’ in the old literature. P proteins are usually found in the phloem of dicot plants. P Protein Characteristics […]
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Phloem: Structure, Components and Classification
Phloem is a complex tissue system in plants. It is the food conducting tissue of vascular plants. Together with xylem, they form the vascular tissue system. The phloem composed of several types of cells among which some are living cells and some are dead. The term ‘phloem’ was introduced Nageli […]
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Tyloses: Definition, Structure and Functions
What are Tyloses? Tyloses (singular – tylosis) are the balloon like outgrowth of parenchymatous cells to the lumen of tracheids or vessels of the secondary xylem. The axial and ray parenchyma of the xylem develops protrusion and these protrusions enter or invade into the lumen of tracheids or vessels through […]
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Xylem: Structure, Parts and Classification
The tissue associated with conduction of water, minerals and food materials in plants are called vascular tissue. Plants with a well-developed conductive system are thus called as ‘vascular plants’. Vascular plants are also known as ‘Tracheophyta’ (‘trachaea’ = vessels, a component of xylem, ‘phyta’= plants). The vascular systems in plants […]
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