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Tissues are composed of groups or layers of cells, which collectively perform a specific function. Different types of tissues have different structures that are specific to their function. Tissues can be held together by a sticky coating called an ‘extracellular matrix’ or the matrix may weave the cells of tissues together. The Latin word for tissue is derived from the verb texere, “to weave”.
These are the major tissue types in the human body:
Connective tissue is made up of cells and protein fibers and provides support for other body tissues. The main proteins in connective tissue are collagen and elastin. There are five types of connective tissue. They are:
Epithelial tissue, often called epithelium, is comprised of tightly packed cells, arranged to form layers. Epithelium provides many functions, including absorption, excretion, protection, reproduction, secretion and sensory reception.
This is a table of muscles of the human anatomy. There are approximately 640 skeletal muscles within the typical human, and almost every muscle constitutes one part ...