BIOL 2010 ANATOMY AND PHYSIOLOGY I Chapter 4: TISSUES AND MEMBRANES Outline of Notes I. Introduction. A. General: Cells are highly specialized and interdependent on one another. Groups of similar cells performing similar functions are called Tissues The study of tissues is called Histology. Organs are made of tissues. A detailed understanding of tissues will greatly help your understanding of organs and organ systems later in this course. Tissues are classified into 4 main types:
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Chapter 1 ELO’s Describe the basic functions of living organisms. A. Responsiveness – organisms respond to changes in their immediate environment (long term changes is adaptability) B. Growth – over a lifetime‚ organisms grow larger through an increase in size or number of cells. Differentiation is when cells have specialized functions C. Reproduction – Organisms reproduce‚ creating subsequent generations of similar organisms D. Movement – Organisms are capable of movement
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Houses the genetic code: nucleus Acts like a framework to supports cell : cytoskeleton area between anus and genital: perineal Tissues Types: Covers and protects body surfaces‚ lines body cavities‚ moves substances into and out of the body : epithelium supports the body and its parts‚ etcc.. : connective tissue produces movement : muscular system protects the body from foreign invaders‚ relatively far apart and separated by large quantities of nonliving matrix : connective -sis: diffusion
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Melissa Bannister Anatomy and Physiology 1 Due by 1/7/2014 Case Studies Chapter 4 John Doe’s Story: A. What types of tissues form the surface of the dead man’s skin? Muscle Tissue How does the structure of the skin normally protect the body? It is composed of cells that can contract to generate the physical force needed to move body structures and generate heat that warms the body. B. As the body was being moved‚ skin slid away from the underlying connective tissue. What is the normal function
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epithelial tissue are supported by having such big cells? The large round cells allow it to slide or move past each other. It also allows the tissue to stretch . Questions A. What is the primary function of connective tissue? It connects the epithelium to the rest of the body. It also provides structure (bone)‚ stores energy (fat)‚ and transports material (blood). B. What can the shape of the cells in a particular type of tissue tell about the function of that tissue? Epithelial tissue comes
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Fixation means prevention of degeneration of cells and tissue by the autolytic enzymes present in the cells and preservation of cells as close as possible to the living state (Manual for Cytology‚ 2005). Specifically in cytology‚ the purpose of fixation is to Maintain‚ as closely as possible‚ the cytomorphologic characteristics and diagnostically essential cytochemical elements of the cell. (Yoshida‚ 2004) Deactivate autolytic enzymes Replace cellular water Facilitate diffusion of dyes across
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December 18th‚ 2013 Block 8 Body Tissues Essay There are four major categories of tissues in the human body. Each of them separate into even smaller groups with specific structures and functions. The four major types are epithelial tissue‚ connective tissue‚ muscle tissue and cardiac tissue. They are all necessities of the human body and contribute to many functions our bodies and cells carry out in order to survive. Tissues interact and group together to make up organs which then compose systems
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Introduction A 45-year-old Caucasian female presented with a rapidly changing "black mole" on her left leg. Initially it was a flat brownish macule‚ which she had for many years. The patient reported that the lesion had become slightly raised with irregular borders over a period of 4 weeks prior to her presentation (see Figure 1). Upon questioning‚ the patient stated that she had received approximately 20 sessions of UV exposures per year for 5 consecutive years at tanning salons. She also mentioned
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STUDY GUIDE FOR EXAM 3.. THESE ARE QUESTIONS AND TOPICS THAT WILL BE COVERED ON THE EXAM. 1) What structure(s) is (are) supplied by the meningeal branch of a spinal nerve? 2) What structure contains nuclei that control coughing‚ sneezing‚ swallowing‚ and vomiting? 3) What part of the nervous system is responsible for accelerating the heart rate in an emergency? 4) What is the terminal portion of the small intestine? 5) What structure connects the yolk sac to the embryonic
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1. Discuss 4 major types of cells that can be found in the skin. The 4 major types of cells that are found in the human body are keratinocytes‚ melanocytes‚ epidermal dendritic (Langerhans)‚ and the tactile (Merkel) cells. The keratinocytes‚ which are epithelia cells‚ are the most abundant cells in human body and dominate the epidermis. These cells contain keratin and work together to form layers known as thick skin‚ which consists of 5 layers‚ and thin skin‚ which consists of 4 layers. These cells
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