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Chapter 4 Tissue


Epithelial Tissue- Function protective tissue
Connective Tissue -Function connects other tissue and forms the components of the intercellular material
Muscle Tissue -Function properties of changing shape
Nervous Tissue -Function respond to environmental changes, communication from the body to the brain and other parts of the body
Epithelium tissue covers surfaces and lines internal structures and cavities
Characteristics of Epithelium cells compact together one or more layers singe layers- transport materials 2 or more layers - protect against bacteria (cilia-movement , microvilli- absorption
Characteristics of Connective cells, fibers, and proteins = intercellular material support and flexibility and binds structures (tendons/ligaments)
Cellular Components (Connective) important for transport and storage of materials and protect against foreign materials
Matrix (Connective) intercellular fluid may exit as a fluid, semi-fluid, gelatinous or solid substances Connective- serve as a medium to transport and store soluble substances, protective lining between and around structures and a medium to fill spaces
Nervous tissue collects and transmits info by means of different types of nerve cells some sensitive to external changes others carry proper responses
Muscle tissue
Simple Squamous (Epithelial Tissue) flat an thin found in the lining of the blood vessels, heart and lungs funct. secretes serous fluid to reduce friction between membranes
Stratified Squamous (Epithelial Tissue) tall and cylindrical or flat, forms layer, found covering tissues or organs funct. protects organs against injury
Simple Cuboidal (Epithelial Tissue) cells almost square shaped, found in secretory glands, kidney tubules and covering ovaries funct. secretes certain tissue fluids
Simple Columnar (Epithelial Tissue) cells tall and packed together, found in digestive tract funct. protect organs, secrete mucus secretions which lubricates epithelial surfaces
Ciliated (Epithelial Tissue) modified columnar, contains hairlike projections, found in nucleus and reproductive organs funct. cilia aid in movement of particles
Loose Connective few cells and many fibers in a semi- fluid matrix found directly beneath the epithelium of skin funct. supports and surrounds organs collagen- flexible elastin- single interlacing fibers
Created by: just_kaylamay