Connective Tissue and Cartilage Structure and Function Found in: Areolar CT Least specialized – all cell and fibre types Provides support Allows independent movement Provides defence against pathogens Superficial fascia Between muscles‚ BVs‚ Ns Around joints Reticular CT Delicate thin reticular fibres Forms stroma (scaffolding) of highly cellular organs on which they arrange their parenchyma (functional cells) Liver‚ spleen‚ kidney‚ lymph nodes‚ bone marrow‚ smooth muscle Adipose CT Adipocytes
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of flattened sacs receives and processes protein that has been dispatched by the endoplasmic reticulum. The proteins are modified and released at the cell membrane. P2 There are four main types of tissue: epithelial‚ connective‚ muscle and nervous. [pic] Epithelial tissue is found in skin and in diverse forms has special functions in other areas of the body. The main types are: simple epithelium‚ a single layer of squamous (flat)‚ cuboidal (cube like)‚ or columnar (tall) cells;
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substances : Peroxisomes 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 :
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Distinguish among the four tissue types found in the human body. Provide an example of each type with its function and location. Epithelial tissue covers the body surface and forms the lining for most internal cavities. The major function of epithelial tissue includes protection‚ secretion‚ absorption‚ and filtration. The skin is an organ made up of epithelial tissue which protects the body from dirt‚ dust‚ bacteria and other microbes that may be harmful. Cells of the epithelial tissue have different shapes
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gov/anatomy/cells_tissues_membranes/tissues/ a. Answer the following questions: (6 points) i. What fills the spaces between cells? A nonliving material‚ called the intercellular matrix‚ fills the spaces between the cells ii. What can be found in this material? The intercellular matrix may contain special substances such as salts and fibers that are unique to a specific tissue and gives that tissue distinctive characteristics iii. List the four types of tissue. Four main tissue types in the body: epithelial
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basic units of life f. Examples of cells: smooth muscle cells‚ nerve cell‚ epithelial cells Tissue level – groups of cells and material surround the cells that work together to perform a particular function g. 4 basic types of tissue: epithelial‚ connective‚ muscular‚ nervous Organ level – different kinds of tissues joined together h. Organs – structures composed of two or more different types of tissues with specific functions and recognizable shapes i. Examples of organs: stomach‚ intestines
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Myeloid tissue Is the bone marrow Why we discuss myeloid tissue/bone marrow? – because we want to study the development of blood cells. We called it HEMOPOEISIS/HEMATOPEISIS HEMOPEISIS/HEMATOPOEISIS –Blood cell formation (occurs in the bone group) Why study this? Because: there is a continuous replacement of cells they have short life span when they are in the peripheral circulation so‚ we have to study how these cells mature and differentiate Phases of hematopoeisis MESOBLASTIC PHASE
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Exercise 1: Epithelial Tissue Data Table 1: Epithelial Tissue Observations TISSUE TYPE OBSERVATIONS Simple Squamous Flat‚ scale-like cells‚ and very close together. Simple Cuboidal Single layer of cube/oval like cells‚ cells are not packed together Simple Columnar (stomach) Single layer of different sized tall‚ narrow cells‚ connective tissue Simple Columnar (duodenum) Columnar cells‚ brush border‚ basement membrane‚ goblet cells‚ connective tissue. Stratified Squamous
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Chapter 5 Study Guide Name: Hour: 1. What are the five most important functions of epithelial tissue. 2. Identify the four principal tissue types. 3. Explain how the shape of epithelial cells is used for classification purposes. What are the four types of epithelium described in this classification process? 4. Classify epithelium according to the layers of cells present. 5. List the types of simple and stratified epithelium and give examples of each
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Chapter 10- Muscle Tissue Choose the best answer to each of the following questions. 1) How does muscle tissue contribute to homeostasis? A) by generating heat that helps maintain body temperature B) by moving materials through the body C) by pulling on bones to move the body D) A and B are correct. E) A‚ B and C are correct. 2) The primary function of muscle is A) conversion of chemical energy into mechanical energy. B) conversion of chemical energy into radiant energy. C) conversion
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