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Tissues

Chapter 5

QuestionAnswer
What is the study of tissues? Histology
What are the four tissue types? Epithelial, Connective, Muscle, and Nervous
What is epithelial tissue composed of? tightly packed cells with minimal extracellular matrix
What is the function of epithelial tissue? Covers body and organ surfaces, lines body cavities, organ cavities, and forms some glands
What are the sub types of epithelial tissue? Simple and Stratified
What are the sub types of simple epithelial tissue? Simple squamous, simple cuboidal, simple columnar, pseudostratifed columnar
What are the sub types of stratifed epithelial tissue? Stratified squamous, stratified cuboidal, stratified columnar, transitional
What is connective tissue composed of? Cells, protein fibers, and ground substances
What is the function of connective tissue? Binds, supports, and protects other tissues and organs
What are the subtypes of connective tissue? Connective tissue proper, supporting connective tissue, and fluid connective tissue
What are the sub types of connective tissue proper? Loose( areolar, adipose, reticular) Dense ( regular, irregular, elastic)
What are the sub types of supporting connective tissue? Cartilage(hyaline, elastic, fibro) Bone
What are the subtypes of fluid connective tissue? Blood and Lymph
What is muscle tissue composed of? Cells that may be spindle shaped, branching, or cylindrical
What is the function of muscle tissue? Moves the skeleton and organ walls
What are the subtypes of muscle tissue? Skeletal, cardiac, smooth
What is nervous tissue composed of? Contains neurons and glial cells
What is the function of nervous tissue? Transmits nerve impluses and processes info
Are there any subtypes of nervous tissue? No
What is simple epithelium? One cell layer thick all cells are in direct contact with basement membrane
What is stratified epithelium? Two or more layers of epithelial cells - Only deepest layer are in direct contact with basement membrane
What is pseudostratified epithelium? Appears layered - classified as simple because all of cells are attached to basement membrane
What are squamous cells? flat, wide, somewhat irregular shape
What are cuboidal cells? As tall as they are wide
What are columnar cells? slender and taller than they are wide
What are transitional cells? Cells that can readily change shape
What is simple squamous epithelium? single layer of flattened cells
What is simple cubodial epithelium? single layer of cells about as tall as they are wide, spherical and centrally located nucleus
What is nonciliated simple columnar epithelium? single layer of cells taller than they are wide, ovalshaped nucleus
What is ciliated simple columnar epithelium? single layer of ciliated cells taller than they are wide, ovalshaped nucleus oriented lengthwise in basal region of cell
What is ciliated pseudostratifed columnar epithelium? single layer of cells with varying heights, all cells connected to basement membrane - has goblet cells and cilia
What is nonciliated pseudostratifed columnar epithelium? Single layer of cells with varying heights, all cells connected to basement membrane- no goblet or cilia
What is keratinized stratifed sqaumous epithelium? multiple cell layers, basal cells are cuboidal - apical cells are dead and filled with protein kertain
What is nonkeratinized stratifed sqaumous epithelium? multiple cells layers, basal cells are cuboidal - apical cells are alive and kept moist
What is stratifed cuboidal epithelium? two or more layers of cells - about as tall as they are wide
What is stratifed columnar epithelium? two or mote layers of cells- taller than they are wide
What is transitional epithelium? Appearance varies depending on whether tissue is stretched or relaxed
What are the three basic components of a connective tissue? cells, protein fibers, ground substance
What are the two classes of cells in connective tissue proper? Resident cells and wandering cells
What are resident cells? stationary cells that are permanently housed within connective tissues
What are wandering cells? continuously move throughout connective tissue
What are examples of resident cells? fibroblasts, adipocytes, mesenchymal cells, fixed macrophanges
What are examples of wandering cells? Mast cells, plasma cells, free macrophanges, other leukocytes
Name the 3 protein fibers Collagen, reticular, elastic
What are collagen fibers? unbranced cable like fibers that are strong flexiable - In tendons and ligaments - white fibers
What are reticular fibers? similar to collagen but thinner - in lymph nodes, spleen, liver
What are elastic fibers? contain protein elastin - yellow fibers - in skin, arteries, lungs
Created by: rpill