What are the categories of connective tissue?
Connective tissue fibers and matrix are synthesized by specialized cells called fibroblasts. There are three main groups of connective tissues: loose connective tissue, dense connective tissue, and specialized connective tissue.
What are the 3 categories of connective tissue?
Connective tissue is classified according to fiber density and orientation. The three types of connective tissue found in the human body are (1) dense regular, (2) dense irregular, and (3) loose irregular (Table 2-1). Dense regular connective tissue includes ligaments and tendons (Fig. 2-1).
What is epithelial tissue diagram?
Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. Epithelial cells may be squamous, cuboidal, or columnar in shape and may be arranged in single or multiple layers.
What characteristics do all epithelial tissues have in common?
All epithelial tissues have these common characteristics:
- They form sheets of tightly bound cells or roll into tubes.
- Epithelial cells lie on the basement membrane.
- Epithelial cells have two different “sides”—apical and basolateral.
- The apical side always faces out of the body (outside or into a lumen).
What is the rarest epithelial tissue?
Stratified columnar epithelium is a rare type of epithelial tissue composed of column-shaped cells arranged in multiple layers. It is found in the conjunctiva, pharynx, anus, and male urethra.
How can you distinguish between epithelial and connective tissue?
The epithelial tissue is composed of epithelial cells and a small amount of extracellular matrix. The connective tissue is composed of different cells and a larger amount of extracellular matrix. The cells of the epithelial tissue are arranged cellular sheets either in single or multiple layers.
Is epithelial tissue a connective tissue?
Epithelium (/ˌɛpɪˈθiːliəm/) is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue. Epithelial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs.
Is blood considered a connective tissue?
BLOOD: It is considered a connective tissue, because it consists of blood cells surrounded by a nonliving fluid matrix called blood plasma.
Why is blood called a connective tissue class 9?
Blood is called a connective tissue because it carries with lots many digestive substances ,Oxygen from lungs ,foods from small intestine, and provide it to other tissues and organs of the body. Since, it connects heart, lungs and small intestine with other tissue of the body and works as a medium between them.