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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Table 1 Observation Table Tissue Description (colour‚ texture‚ etc.) Tissue it attaches to Skin 1. Pink (pale)‚ thin‚ a bit opaque‚ rough 2. Muscle‚ fat Fat 3. Yellowish‚ whiteish‚ somewhat shiny‚ creamy‚ a bit slippery 4. Skin Muscle 5. Pink‚ firm‚ thick on some spots‚ smooth 6. Skin‚ tendon‚ fat Tendon 7. White‚ a bit shiny‚ smooth 8. Muscle‚ bone Ligament 9. White‚ a bit shiny‚ slippery‚ small‚ smooth 10. Bones (to other joints) Cartilage 11. White‚ flexible‚ firm 12. Bone Analysis 13. What
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Section 6 Types of Tissue OBJECTIVES: Upon completing this section‚ you will be able to: 1. Define the word histology. 2. Name and briefly describe the four basic types of tissue. 3. Name the three subtypes of simple epithelial tissue. 4. List the five main subtypes of connective tissue. 5. Name the three subtypes of muscle tissue. 6. Name the two types of nerve tissue. 68 Section 6 Types of Tissue HISTOLOGY Histology is the microscopic study of cells‚ tissues‚ and organs. Also called
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Muscle Tissue 1. How is muscle tissue categorized? Muscle tissue is categorized by its shape‚ the number of nuclei‚ and the mechanism of stimulation. 2. a. Click the Smooth Muscle Tissue. Identify each of the following: Nucleus----- Smooth Fiber Muscle------------------ b. Describe smooth muscle control (voluntary or involuntary). Involuntary c. Name some smooth muscle functions (click the “Tissue Locations” button). Smooth
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Classification of Tissues Introduction Cells are the smallest units of life. In complex organisms‚ cells group together with one another based on similar structure and function to form tissues .Tissues provide the numerous functions of organs necessary to maintain biological life. This lab exercise seeks to introduce the various tissues found in the human body and to familiarize you with their composition and function. The study of tissues is called histology ‚ and is important to the understanding
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Cells of the body are organized into four fundamental tissues; epithelial‚ connective‚ muscle and nerve. Epithelial tissues line all surfaces of the body: the skin‚ cavities‚ ducts‚ vessels. They are named according to the cell shape on the free surface. Cells of a tissue are held together by the basement membrane and intercellular fibbers. These tissues receive their nutrition by diffusion‚ for they are without blood vessels. Simple squamous epithelium lines all blood and lymphatic vessel‚ including
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Connective Tissue Characteristics of connective tissues • Extracellular matrix separates cells • Most widely variable of tissues • Many varied functions • Common (mesenchyme) origin • Degrees of vascularity Functions • Binding • Suport • Protection • Insulation • Transport Structural Elements • Fibers ⁃ Collagen (white) fibres ⁃ Elastin (yellow) fibers ⁃ Reticular fibers • Ground substance ⁃ Amorphous material fills space between cells and contains fibers
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Epithelial Tissue covers body surfaces (epi‚ on + thelium‚ surface). Epithelial tissue consists of cells attached to one another to form an uninterrupted layer of cells that separates the underlying tissues from the outside world. The body’s epithelium not only covers its obvious surfaces (such as the epidermis of the skin and the linings of respiratory‚ urinary‚ and digestive tracts) but also extends into all of the complex invaginations which form lungs‚ kidneys‚ sweat glands‚ digestive glands
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The lungs are made up of many types of tissue; the cartilages‚ ciliated epithelium‚ smooth muscle‚ squamous epithelium‚ elastic fibres and goblet cells and glandular tissue. The cartilage is a very stiff and flexible tissue‚ which doesn’t contain air vessels. It is found in trachea‚ bronchus‚ bronchiole and alveolus‚ and it has a structural role. It support‚ and gives strength to trachea and bronchi. It holds the airways open for the resistance with little airway. This prevents it from collapse
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Question describe the different types of epithetical tissue including structure function‚ and location. Answer: there are many types of epithetical tissue with many different functions in different parts of the body that do many different things working together to do there job to maintain these conclusions‚ first off theres the simple squamous: known as a single layer commonly very flat known for filitration and & absorption found in the lungs and blood vessels‚ known as the circulatory system
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