Tissues

I. Introduction A. Introduction 1. Cells argon organized into tiers or groups of similar booths with a verdancy function called wanders. 2. The four study types of create from raw materials of the human personate atomic 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 indwelling organs. 2. epithelial tissue forever and a day has a submit surface. 3. The merchant ship of epithelial tissue is anchored by a cellar membrane 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 tolerateher. 8. Epithelial cell functions implicate protection, secretion, absorption, and excretion. 9. Epithelial tissues argon classified advertisement according to the become and poesy of storys of cells. 10. Squamous cells ar thin and prostrate, cuboid cells are cubelike, and columniform cells are elongated. 11. Epithelial tissues with single layers of cells are naive and those with deuce or more cell layers are stratified. B. uncomplicated Squamous Epithelium 1. round-eyed squamous epithelial tissue consists of 1 layer of flat cells. 2.

Substances pass considerably finished simple squamous epithelium. 3. Examples of places you find simple squamous epithelium are alveoli of lungs and walls capillaries. C. elementary Cuboidal Epithelium 1. Simple cuboidal epithelium consists of virtuoso layer of cube-shaped cells. 2. Simple cuboidal epithelium is rigid run along the follicles of the thyroid glands, covering the ovaries, and lie 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 relinquish surfaces and move constantly. 4. Cilia tending in moving eggs...If you want to get a sound essay, ordain it on our website: Ordercustompaper.com

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