Pearson eText Human Physiology: An Integrated Approach -- Instant Access (Pearson+)
8th Edition
ISBN: 9780135212905
Author: Dee Silverthorn
Publisher: PEARSON+
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Chapter 3.4, Problem 21CC
The basal lamina of epithelium contains the protein fiber laminin. Are the overlying cells attached by focal adhesions or hemidesmosomes?
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Epithelial sheets are classified by their number of cell layers and their cell shape. In the following table, draw simplified illustrations of the eight classifications. In each illustration, identify the cells, nuclei, and basement membrane. For the stratified epithelia, you only need to draw two or three cell layers, as shown in the stratified cuboidal epithelium example provided in the table.
Simple squamous Stratified squamous
Simple cuboidal Stratified cuboidal
Simple columnar Stratified columnar
Pseudostratified columnar Transitional
What is the Calculated size of 1 cell of simple cuboidal epithelium. Show work including units.
Anchoring junctions are important in distributing of mechanical stress and maintains the integrity of epithelial cell layer
Chapter 3 Solutions
Pearson eText Human Physiology: An Integrated Approach -- Instant Access (Pearson+)
Ch. 3.2 - Name three types of lipids found in cell...Ch. 3.2 - Describe three types of membrane proteins and how...Ch. 3.2 - Why do phospholipids in cell membranes form a...Ch. 3.2 - How many phospholipid bilayers will a substance...Ch. 3.3 - Name the three sizes of cytoplasmic protein...Ch. 3.3 - How would the absence of a flagellum affect a...Ch. 3.3 - Prob. 7CCCh. 3.3 - Prob. 8CCCh. 3.3 - What is the function of motor proteins?Ch. 3.3 - What distinguishes organelles from inclusions?
Ch. 3.3 - Prob. 11CCCh. 3.3 - Prob. 12CCCh. 3.3 - Prob. 13CCCh. 3.3 - Prob. 14CCCh. 3.3 - Examining tissue from a previously unknown species...Ch. 3.4 - Prob. 16CCCh. 3.4 - Prob. 17CCCh. 3.4 - Prob. 18CCCh. 3.4 - Prob. 19CCCh. 3.4 - Name two properties that distinguish endocrine...Ch. 3.4 - The basal lamina of epithelium contains the...Ch. 3.4 - You look at a tissue under a microscope and see a...Ch. 3.4 - Prob. 23CCCh. 3.4 - What is the distinguishing characteristic of...Ch. 3.4 - Prob. 25CCCh. 3.4 - Name six types of connective tissues.Ch. 3.4 - Prob. 27CCCh. 3.4 - Why does torn cartilage heal more slowly than a...Ch. 3.5 - Prob. 29CCCh. 3 - Prob. 1RQCh. 3 - In 1972, Singer and Nicolson proposed the fluid...Ch. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Define cytoskeleton. List five functions of the...Ch. 3 - Match each term with the description that fits it...Ch. 3 - Prob. 7RQCh. 3 - Match each organelle with its function:Ch. 3 - Prob. 9RQCh. 3 - Prob. 10RQCh. 3 - List the four major tissue types. Give an example...Ch. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - Prob. 14RQCh. 3 - Prob. 15RQCh. 3 - Prob. 16RQCh. 3 - Which would have more rough endoplasmic reticulum:...Ch. 3 - A number of organelles can be considered vesicles....Ch. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Prob. 21RQCh. 3 - Prob. 22RQCh. 3 - Explain how inserting cholesterol into the...Ch. 3 - Prob. 24RQCh. 3 - Prob. 25RQCh. 3 - Prob. 26RQCh. 3 - Prob. 27RQCh. 3 - Prob. 28RQCh. 3 - One result of cigarette smoking is paralysis of...Ch. 3 - Prob. 30RQCh. 3 - Prob. 31RQ
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- The trans epithelial electrical resistance (TEER) is a characteristic property of an epithelium. Which of the following statements best describes the TEER? a.) A high trans epithelial electrical resistance (TEER) is an indicator of a leaky epithelium in which paracellular diffusion of solute is likely to be high b.) A high trans epithelial electrical resistance (TEER) is an indicator of a tight attachment between the epithelium and the basement membrane in which diffusion of solute across the basolateral surface is likely to be low c.) A high trans epithelial electrical resistance (TEER) is an indicator of a tight epithelium in which paracellular diffusion of solute is likely to be lowarrow_forwardELASTIC CARTILAGE CONNECTIVE TISSUE What type of cell sits within a threadlike network, and what kind of fibers are found in the extracellular matrix? [ Select ] [A."chondrocyte within bundles of collagen fibers", B."fibroblast within bundles of elastic fibers", C.chondrocyte within bundles of elastic fibers", " D.fibroblast within bundles of collagen fibers"] What is the location of this tissue? A. ["pubic symphysis, intervertebral discs, menisci, portions of tendons", B."epiglottis, par of external ear, auditory tubes", C."most abundant cartilage in the body; ends of long bones; anterior ends of ribs, nose, parts of the larynx, trachea, bronchi, bronchial tubes, embryonic and fetal skeleton"] What is the function of this tissue? [ Select ] [A."supports and joins structures together", B."strength and elasticity; maintains shape of certain…arrow_forwardHow do cellular junctions contribute to the overall function of epithelial tissue? Describe at least two type(s) of cell junctions found in epithelium (ie. location, structure, function).arrow_forward
- Draw the structure of glandular epithelium?arrow_forwardAn epithelium that has several cell layers, with flat cells in the apical layer, is called (choose all that apply): (a) ciliated, (b) columnar, (c) stratified, (d) simple, (e) squamous.arrow_forwardA)What does the arrow point to? B)What is the function of the structures the arrow points to? CENTER Histology slide of an arrow pointing to a cut sections of purple circular structures that are surrounded by connective and adipose tissues. 1) sweat glands; secrete a watery fluid 2) goblet cells; secrete mucus 3) sebaceous gland; lubricate hair follicle O4) dense irregular ct; withstand forces from all directionsarrow_forward
- Complete the following table. Indicate the type of cells comprising the different layers of each subtype of stratified epithelium. Type of complex Superficial Middle Basal Function Epithelium 1. Stratified Squamous 2. Stratified Columnar 3. Stratified Cuboidal 4. Transitional epitheliumarrow_forwardDuring a microscopy exercise in the anatomy laboratory,a student makes the following observations about a tissuesection: (1) The section contains some different types ofscattered protein fibers—that is, they exhibit differentwidths, some are branched, some are long and unbranched,and their staining characteristics differ (some are seenonly with specific stains). (2) Several cell types withdifferent morphologies are scattered throughout the section,but these cells are not grouped tightly together. (3) Theexamined section has some “open spaces”—that is, placesbetween cells and the observed fibers in the section thatappear clear with no recognizable features. What type oftissue is the student observing? Where might this tissue befound in the body?arrow_forwardExplain how tight junctions maintain membrane domains in the epithelial layers . can tight junctions establish the membrane domain or simply maintain it ?arrow_forward
- A)Identify the structure the arrow points to. B)Give one region where you would find this structure. KUN Histology slide with arrow pointing to a structure seen between a gland and connective tissue. 1) adipose tissue; around organs 2) sebaceous gland; dermis of skin 3) dense irregular connective tissue ; walls of elastic arteries 4) Arrector pilorum muscle ; dermis of skinarrow_forwardRETICULAR CONNECTIVE TISSUE Describe this tissue. A. ["contains collagen fibers arranged "regularly" in bundles", B."fine interlacing network of reticular fibers and reticular cells", C."fine interlacing network of elastic fibers and chondrocytes"] What is the location where this tissue can be found? A. ["stroma of liver, spleen, lymph nodes; red bone marrow; reticular lamina of basement membrane; around blood vessels and muscles", B."forms tendons, most ligaments, aponeuroses", C."fasciae, reticular region of the dermis, pericardium, periosteum, perichondrium, joint capsules, membrane capsules around organs, heart valves"] What is the function of this tissue type? A. ["strength, elasticity, support", B."tensile strength", C."forms stroma of organs; binds smooth muscle tissue; filters and removes work out blood cells in spleen and microbes in lymph nodes"] ADIPOSE CONNECTIVE TISSUE What is the main cell type in this tissue?…arrow_forwardExplain Compound epithelium.arrow_forward
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