What is the function of the intercellular substance?
The basic functions of intercellular substance are supportive, or mechanical, and trophic, or more accurately, metabolic.
What is intercellular ground substance?
The ‘ground substance’ of extracellular matrix is an amorphous gelatinous material. It is transparent, colourless, and fills the spaces between fibres and cells. It actually consists of large molecules called glycosoaminoglycans (GAGs) which link together to form even larger molecules called proteoglycans.
What can be found in intercellular material?
The intercellular matrix may contain special substances such as salts and fibers that are unique to a specific tissue and gives that tissue distinctive characteristics. There are four main tissue types in the body: epithelial, connective, muscle, and nervous.
What are the components of ground substance?
The components of the ground substance vary depending on the tissue. Ground substance is primarily composed of water and large organic molecules, such as glycosaminoglycans (GAGs), proteoglycans, and glycoproteins. GAGs are polysaccharides that trap water, giving the ground substance a gel-like texture.
What is the difference between intercellular and intracellular?
Occurring or being (situated) inside a cell or cells. For example, intracellular fluid pertains to the fluid inside the cell while intercellular fluid is the fluid between cells.
What is the importance of intercellular junction?
Intercellular junctions are important mechanical couplers between cells in epithelial layers providing adhesion and intercellular communication. Regulation of the junctions occurs in cellular processes such as layer formation, epithelial-to-mesenchymal transition, embryogenesis, and cancer progression.
Which of the following protein functions are intercellular ground substance?
| Protein | Function | |
|---|---|---|
| (a) | Collagen | Glucose transport |
| (b) | Trypsin | Hormone |
| (c) | Insulin | Intercellular ground substance |
| (d) | GLUT-4 | Enzyme |
Does connective tissue contain intercellular substance?
The connective tissues share common features of organization. Unlike epithelia, in which cells are closely apposed with little intercellular material, cells in the connective tissues remain more or less separated from one another by a substantial amount of intercellular material.
What does intracellular substance mean?
In human disease: Fluid and electrolyte balance. The intracellular fluid is the fluid contained within cells. The extracellular fluid—the fluid outside the cells—is divided into that found within the blood and that found outside the blood; the latter fluid is known as the interstitial fluid.
Is intercellular substance found in connective tissue?
Intercellular substances are the substances that are found in the body in which tissue cells are embedded, grounded. Connective tissue is formed of a large intercellular matrix, connective tissue cells and fibers.
What is the composition of the intercellular matrix in connective tissue?
The extracellular matrix of connective tissue is composed of ground substance and fibers. In ordinary connective tissue, the ground substance consists mainly of water. The principal fiber type is collagen (the most abundant protein in the body), with elastic fibers as a minor element.
What is the purpose of ground substance?
The ground substance functions as a molecular sieve for substances to travel between blood capillaries and cells. Connective tissue fibers provide support.
Which is an example of an intercellular substance?
Intercellular Substance. In animals and man the intercellular substance is a characteristic component of various types of connective tissue (cartilage, bone), which is formed by the cells of that tissue and consists of collagen and various fibers (reticular, elastic) that are immersed in an amorphous ground substance.
When do you use the term intercellular space?
A space located or occurring between cells is often referred to as an intercellular space. When the space is passing a cell, or cell membrane or situated beside or between cells the term paracellular space is usually used.
What makes up the fluid in the intercellular space?
Intercellular fluid is composed of water and small soluable molecules. Glucose, oxygen and amino acids diffuse into the spaces around the cells from the capillaries. Plasma leaves the capillaries and flows into the intercellular spaces between the cells of the tissues to be part of the fluid that surrounds those cells.
What makes up the intercellular substance of connective tissue?
The intercellular substance of loose connective tissue is produced by long, flat fibroblasts and consists of collagenous and elastic fibers embedded in the ground substance.