Human Anatomy
5th Edition
ISBN: 9780073403700
Author: Kenneth S. Saladin Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 3.4, Problem 1AWYK
Although the nuclei of a muscle fiber are pressed against the inside of the plasma membrane, several of those in figure 3.25 appear to be in the middle of the cell. What can account for this appearance? Think in terms of three-dimensional interpretation of two-dimensional histological images.
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While the sarcoplasmic reticulum of muscle was first described by nineteenth-century microscopists, its true significance was not ap-preciated until its intricate structure was revealed much later by the electron microscope. What could you tell a nineteenth-century microscopist to enlighten him or her about the structure of the sarcoplasmic reticulum and its role in the coupling of excitation and contraction?
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Chapter 3 Solutions
Human Anatomy
Ch. 3.1 - Define tissue and distinguish a tissue from a cell...Ch. 3.1 - Prob. 2BYGOCh. 3.1 - Prob. 3BYGOCh. 3.1 - Prob. 4BYGOCh. 3.1 - Prob. 5BYGOCh. 3.2 - Distinguish between simple and stratified...Ch. 3.2 - Answer the following questions to test your...Ch. 3.2 - Prob. 8BYGOCh. 3.2 - Prob. 9BYGOCh. 3.2 - Prob. 10BYGO
Ch. 3.2 - Explain how urothelium is specifically adapted to...Ch. 3.3 - When the following tissues are injured, which do...Ch. 3.3 - Prob. 12BYGOCh. 3.3 - Prob. 13BYGOCh. 3.3 - Prob. 14BYGOCh. 3.3 - Prob. 15BYGOCh. 3.3 - Discuss the difference between dense regular and...Ch. 3.3 - Describe some similarities, differences, and...Ch. 3.3 - What are the three basic kinds of formed elements...Ch. 3.4 - Although the nuclei of a muscle fiber are pressed...Ch. 3.4 - What do nervous muscular tissue have in common?...Ch. 3.4 - What are the two basic types of cells in nervous...Ch. 3.4 - Name the three kinds of muscular tissue, describe...Ch. 3.5 - Distinguish between a simple gland and a compound...Ch. 3.5 - Prob. 23BYGOCh. 3.5 - Prob. 24BYGOCh. 3.5 - Prob. 25BYGOCh. 3.6 - What functions of a ciliated pseudostratified...Ch. 3.6 - Tissues can grow through an increase in cell size...Ch. 3.6 - Distinguish between differentiation and...Ch. 3.6 - Distinguish between regeneration and fibrosis....Ch. 3.6 - Prob. 29BYGOCh. 3 - Prob. 3.1.1AYLOCh. 3 - Prob. 3.1.2AYLOCh. 3 - Prob. 3.1.3AYLOCh. 3 - Prob. 3.1.4AYLOCh. 3 - Prob. 3.1.5AYLOCh. 3 - Prob. 3.1.6AYLOCh. 3 - Prob. 3.1.7AYLOCh. 3 - Prob. 3.2.1AYLOCh. 3 - The location, composition, and functions of a...Ch. 3 - Epithelial Tissue (p. 56) The defining...Ch. 3 - Prob. 3.2.4AYLOCh. 3 - The appearance, representative locations, and...Ch. 3 - Prob. 3.2.6AYLOCh. 3 - Differences in structure, location, and function...Ch. 3 - The process of exfoliation and a clinical...Ch. 3 - Prob. 3.3.1AYLOCh. 3 - Prob. 3.3.2AYLOCh. 3 - The types of connective tissue classified as...Ch. 3 - Prob. 3.3.4AYLOCh. 3 - The distinction between loose and dense fibrous...Ch. 3 - The appearance, representative locations, and...Ch. 3 - The appearance, representative locations, and...Ch. 3 - Prob. 3.3.8AYLOCh. 3 - Prob. 3.3.9AYLOCh. 3 - The relationship of the perichondrium to...Ch. 3 - Prob. 3.3.11AYLOCh. 3 - Prob. 3.3.12AYLOCh. 3 - Prob. 3.3.13AYLOCh. 3 - Prob. 3.3.14AYLOCh. 3 - Prob. 3.3.15AYLOCh. 3 - Why blood is considered a connective tissueCh. 3 - Prob. 3.3.17AYLOCh. 3 - Prob. 3.3.18AYLOCh. 3 - The meaning of cell excitability, and why nervous...Ch. 3 - Prob. 3.4.2AYLOCh. 3 - Prob. 3.4.3AYLOCh. 3 - Prob. 3.4.4AYLOCh. 3 - The defining characteristics of muscular tissue as...Ch. 3 - Prob. 3.4.6AYLOCh. 3 - Prob. 3.4.7AYLOCh. 3 - The microscopio representative locations, and...Ch. 3 - Prob. 3.5.1AYLOCh. 3 - The distinction between exocrine and eadocrine...Ch. 3 - Prob. 3.5.3AYLOCh. 3 - Prob. 3.5.4AYLOCh. 3 - Prob. 3.5.5AYLOCh. 3 - Prob. 3.5.6AYLOCh. 3 - Glands and Membranes (p. 75) The distinctions...Ch. 3 - Prob. 3.5.8AYLOCh. 3 - The tissue layers of a mucous membrane and of a...Ch. 3 - The nature and locations of endothelium,...Ch. 3 - Prob. 3.6.1AYLOCh. 3 - The difference between differentiation and...Ch. 3 - Two ways in which the body repairs damaged...Ch. 3 - The meaning of tissue atrophy, its causes, and...Ch. 3 - Prob. 3.6.5AYLOCh. 3 - Prob. 3.6.6AYLOCh. 3 - Prob. 1TYRCh. 3 - Prob. 2TYRCh. 3 - Prob. 3TYRCh. 3 - A seminiferous tubule of the testis is lined with...Ch. 3 - Prob. 5TYRCh. 3 - Prob. 6TYRCh. 3 - Prob. 7TYRCh. 3 - Tendons are composed of _________ connective...Ch. 3 - The shape of the external ear is due to skeletan...Ch. 3 - The most abundant formed elements(s) of blood...Ch. 3 - Prob. 11TYRCh. 3 - Prob. 12TYRCh. 3 - Prob. 13TYRCh. 3 - Prob. 14TYRCh. 3 - Tendons and ligaments are made mainly of the...Ch. 3 - Prob. 16TYRCh. 3 - Prob. 17TYRCh. 3 - Prob. 18TYRCh. 3 - Prob. 19TYRCh. 3 - Prob. 20TYRCh. 3 - Prob. 1BYMVCh. 3 - Prob. 2BYMVCh. 3 - Prob. 3BYMVCh. 3 - Prob. 4BYMVCh. 3 - Prob. 5BYMVCh. 3 - State a meaning of each word element and give a...Ch. 3 - State a meaning of each word element and give a...Ch. 3 - State a meaning of each word element and give a...Ch. 3 - Prob. 9BYMVCh. 3 - Prob. 10BYMVCh. 3 - Prob. 1TOFCh. 3 - Prob. 2TOFCh. 3 - Prob. 3TOFCh. 3 - Prob. 4TOFCh. 3 - Prob. 5TOFCh. 3 - Prob. 6TOFCh. 3 - Prob. 7TOFCh. 3 - Prob. 8TOFCh. 3 - Prob. 9TOFCh. 3 - Prob. 10TOFCh. 3 - Prob. 1TYCCh. 3 - Prob. 2TYCCh. 3 - Prob. 3TYCCh. 3 - Prob. 4TYCCh. 3 - Prob. 5TYC
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- What is the function of the sarcoplasmic reticulum in muscle cell contraction?arrow_forwardFigure 38.37 Which of the following statements about muscle contraction is true? The power stroke occurs when ATP is hydrolyzed to ADP and phosphate. The power stroke occurs when ADP and phosphate dissociate from the myosin head. The power stroke occurs when ADP and phosphate dissociate from the actin active site. The power stroke occurs when Ca2+ binds the calcium head.arrow_forwardIn the diagram below, label the fine structure of a muscle, down to one of its myofibrils. Identify the basic unit of contraction in a myofibril.arrow_forward
- Figure 13.22 To what structures in a skeletal muscle are the endoneurium, perineurium, and epineurium comparable? Figure 13.22 Close-Up of Nerve Trunk Zoom in on this slide of a nerve trunk to examine the endoneurium, perineurium, and epineurium in greater detail (tissue source: simian). LM × 1600. (Micrograph provided by the Regents of University of Michigan Medical School © 2012)arrow_forwardWhen Skeletal muscle contracts an arrangement of the alternating light and dark bands traversing each skeletal muscle cell changes. Which of the following statements is not correct. (Select one answer) (a) The dark A bands will remain a constant length(b) The space occupied by the H zone will not change(c) The light I bands will shorten(d) The z lines come closer together(e) The I band consists solely of thin actin filamentsarrow_forwardThe mechanism of muscle contraction is best explained by the sliding filament model. According to this model, thin ___i___ filaments slide over thick ___ii___ filaments.The statement given above is completed by information in row Row i ii A. myosin actin B. myosin myosin C. actin actin D. actin myosinarrow_forward
- Why does a muscle contain many mitochondria?arrow_forwardWhy does a muscle cell contain many mitochondria?arrow_forwardWhich of the following are aspects of the structure of skeletal muscle? Select all that apply. --They are cylindrical cells called muscle fibers that have multiple nuclei. --Skeletal muscle has more mitochondria than other types of muscle cells. --The muscle fibers parallel one another and have a striated appearance. --Cells are branched or unbranched with single nuclei. --Each fiber contains stacks of many units of contraction and protein filaments.arrow_forward
- A skeletal muscle is packed with myofibrils consisting of a repeating chain of contractile units we call “sarcomere”. What happens when these contractile units slide past each other without shortening?arrow_forwardCalmodulin is found in smooth muscle cells and performs a similar function to troponin in striated muscle fibers. However, calmodulin not only gets activated by Ca2+ but also slows the release of Ca2+ from the sarcoplasmic reticulum. How might this difference relate to the different kinds of contractions smooth muscles do in comparison to striated muscles?arrow_forward
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