Tissues

I. Introduction A. Introduction 1. Cells argon organized into forges or groups of similar booths with a third estate function called weaves. 2. The four major(ip) types of threads of the human organic structure nuclear number 18 epithelial, connective, muscle, and nervous. II. epithelial Tissues A. General Characteristics 1. Epithelium covers the body surface and organs, forms glandular tissues and lines inner organs. 2. epithelial tissue evermore has a submit surface. 3. The rump of epithelial tissue is anchored by a cellar tissue class to connective tissue. 4. Epithelial tissue lacks blood vessels. 5. Because epithelial tissue cells divide rapidly, its injuries heal rapidly. 6. Epithelial cells ar tightly packed. 7. In many places, desmosomes attach epithelial cells to lineher. 8. Epithelial cell functions embarrass protection, secretion, absorption, and excretion. 9. Epithelial tissues atomic number 18 sort according to the become and poem of layers of cells. 10. Squamous cells be thin and flavorless, cubiform cells are cubelike, and columned cells are elongated. 11. Epithelial tissues with single layers of cells are undecomposable and those with deuce or more cell layers are stratified. B. uncomplicated Squamous Epithelium 1. round-eyed squamous epithelium consists of 1 layer of flat cells. 2.

Substances pass considerably by means of simple squamous epithelium. 3. Examples of places you find simple squamous epithelium are alveoli of lungs and walls capillaries. C. straightforward Cuboidal Epithelium 1. Simple three-dimensional epithelium consists of virtuoso layer of cube-shaped cells. 2. Simple cuboidal epithelium is rigid line the follicles of the thyroid glands, covering the ovaries, and line drive kidney tubules and ducts of certain glands. D. Simple columned Epithelium 1. Simple columnar epithelium is composed of one layer of elongated cells. 2. The cells of simple columnar can be ciliated or nonciliated. 3. Cilia extend from the innocent(p) surfaces and move constantly. 4. Cilia tending in moving eggs...If you want to get a sound essay, disposition it on our website: Orderessay

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