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74 Cards in this Set
- Front
- Back
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Specialized cells that together perform a common function are called
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Tissues
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The four basic types of tissue in the body are
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Epithelial, Connective, Muscle, and Neural
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Which of these embryonic germ layers gives rise to muscle, bone and blood vessels
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Mesoderm
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Characteristics of epithelial tissue
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Covers free body surfaces, lacks blood vessels, composes various glands, anchored to connective tissue by a basement membrane
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Tissue that functions in support and protection of body organs, stores energy, and provides immunity is
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Connective Tissue
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The type of tissue that contains actin and myosin filaments, and accounts for movement is
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Muscular Tissue
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The tissue that enables us to be aware of the external environment and to react to it
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Nervous Tissue
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The type of cellular junction that forms an impermeable barrier, where plasma membranes join is called
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Tight Junctions
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The type of cellular junction that forms when a channel is formed between two adjacent plasma membranes is
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Gap Junction
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The purpose of gap junctions is
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allow substances to pass directly from one cell to the next
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The type of cellular junction that forms when adjacent plasma membranes have filaments that firmly attach at button-like thickenings are
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Adhesion Junctions
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Does Epithelial tissue have a high mitotic capacity
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True
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Epithelial tissue cells have an apical surface at the top and are attached to a basement membrane at the bottom
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True
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The glycoprotein membrane that joins an epithelium to underlying connective tissue
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basement membrane
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Epithelial tissue is named according to
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Cell shape and layer arrangement
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Lines most of the digestive tract
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Simple columnar
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Lines the esophagus
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Sratified Squamous
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Lines much of the respiratory tract
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Pseudostratified ciliated columnar
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Forms the walls of the air sacs of the lungs
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Simple Squamous
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Found in urinary tract organs
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Simple Cuboidal
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Endothelium and mesothelium
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Simple Squamous
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Which of the following epithelia most easily permits diffusion
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Simple Squamous
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Which of the following epithelia function is absorption and secretion
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Columnar and Cuboidal epithelium
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Goblet cells are found in which of the following tissues
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Columnar Epithelium
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Epithelium composed of two or more layers of cells with an apical layer of flattened cells and only the deepest layer in contact with the basement membrane
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Stratified epithelium
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Stratified epithelium is usually found in areas of the body where the principal activity is
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Protection
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Stratified squamous epithelium cells are found in the
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Epidermis
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In parts of the body such as the urinary bladder, where considerable expansion occurs, one can expect to find which type of tissue
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Transitional Epithelium
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Epithelium that appears to have several layers of cells but does not, is classified as
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Pseudostratified epithelium
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The gland type that secretes products such as milk, saliva, bile or sweat through a duct is
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Exocrine gland
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The type of gland that secrete their product directly into the bloodstream are
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Endocrine Gland
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Glands that accumulate secretions and release them only when the individual secretory cells rupture and die are called
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Holocrine
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If the lining of an organ produces and releases mucus, which of the following cells would likely be found in the tissue lining the organ
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Goblet Cell
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Mucous secretions that coat the passageways of the digestive and respiratory tracts result from
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Merocrine Secretion
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The type of exocrine gland that forms its secretory product and simply releases it from the cell by exocytosis is
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Merocrine gland
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A gland has a duct that branches repeatedly, and the ducts end inn saclike structures , this is
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compound acinar
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Mesenchymal Cells
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Form embryonic connective tissue, give rise to all adult connective tissues, in adults produce new connective tissue cells in response to injury.
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All the following cells can be found in connective tissue
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Fibroblasts, macrophages, plasma celss. mast cells
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Matrix is a characteristic of which type of tissue
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Connective
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The ground substance of the connective tissue matrix is produced by connective tissue cells
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True
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Three basic types of fibers in connective tissue is
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Collagen, reticular, elastic
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The fibers in the matrix of connective tissue are made of
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Proteins
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The fibers in dense connective tissue are produced by
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Fibroblasts
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Connective tissue fibers that are arranged in bundles and lend strength and flexibility to a tissue are collagen fibers
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True
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Connective tissue fibers that can be stretched considerably without breaking
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Elastic Fibers
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The slippery viscous substance that binds cells together and lubricates joints is
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Hyaluronic acid
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The type of connective tissue with a liquid matrix called plasma is
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Blood
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where can you find elastic connective tissue
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wall of arteries
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A tissue with a large number of collagen fibers organized parallel to each other would most likely be found in
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Tendon
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Dense irregular connective tissue can be found in
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Dermis of skin
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Extremely delicate fibers that make up the framework for organs such as the liver, spleen, and lymph nodes
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Reticular fibers
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What is the main function of fibrous connective tissue
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Support
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Characteristics that apply to cartilage
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cells are located in lacunae, proteoglycans in ground substance, perichondrium on surface
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Cartilage provides
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support and flexibility, lacks blood vessels and is composed of chondrocytes
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The type of cartilage that is found at the ends of the long bones, nose, ribs, and respiratory passages
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Hyaline
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The type of cartilage that can withstand great pressure and tension, and is found between the vertebra
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Fibrocartilage
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The very elastic type of cartilage that is found in the epiglottis and external ear
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Elastic
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The cells of mature cartilage is
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Chondrocytes
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The type of cartilage growth characterized by adding new layers of cartilage to the surface is
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Appositional growth
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Why does damaged cartilage heal slowly
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Cartilage is avascular, so materials needed for repair must diffuse from surrounding tissue
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Osseous tissue is classified as
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Connective Tissue
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The basic unit of compact bone is
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Osteon
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The membrane lining body cavities that open to the exterior is
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Mucous membrane
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Linings of the digestive, respiratory, excretory, and reproductive passages are composed of
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Mucous membranes
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This membrane produces a watery fluid for lubrication
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Serous
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The primary function of serous membranes in the body is to
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Minimize friction between opposing surfaces
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The portion of a membrane that is closest to the organ is
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Visceral portion
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which tissue is avascular
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Stratified squamous epithelium
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The specialized cell in the nervous system that conducts signals is
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Neuron
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Neurons conduct nerve impulses to
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other neurons, muscles and glands
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Which part of a neuron receives input
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Dendrites
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Which part of a neuron sends nerve impulses
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Axon
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Scar tissue is a variety of
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Connective Tissue
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Tissue changes that occur with aging can be due to
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cross-link forming between glucose and proteins, a decreased blood supply and improper nutrition
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